diff --git a/.env.dist b/.env.dist
index f490d0c18..8bfb512bb 100644
--- a/.env.dist
+++ b/.env.dist
@@ -28,6 +28,9 @@ TWITTER_OAUTH_ACCESS_TOKEN_SECRET=
 TWITTER_CONSUMER_KEY=
 TWITTER_CONSUMER_SECRET=
 
+BLUESKY_API_IDENTIFIER=
+BLUESKY_API_APP_PASSWORD=
+
 MAILCHIMP_API_KEY=xxx-yyyy
 MAILCHIMP_MEMBERS_LIST=
 MAILCHIMP_SUBSCRIBERS_LIST=
diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index 998918612..b1e61b481 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -9,6 +9,7 @@
         __DIR__ . '/sources',
         __DIR__ . '/tests',
     ])
+    ->exclude('cache/templates')
 ;
 
 return (new PhpCsFixer\Config())
diff --git a/app/config/services.yml b/app/config/services.yml
index 76d3e376b..fc3099ed7 100644
--- a/app/config/services.yml
+++ b/app/config/services.yml
@@ -9,6 +9,8 @@ parameters:
     app.badge_dir: "%kernel.project_dir%/htdocs/uploads/badges"
     app.members_logo_dir: "%kernel.project_dir%/htdocs/uploads/members_logo"
     app.general_meetings_dir: "%kernel.project_dir%/htdocs/uploads/general_meetings_reports"
+    bluesky.api.identifier: "%bluesky_api_identifier%"
+    bluesky.api.app_password: "%bluesky_api_app_password%"
 
 services:
 #    service_name:
@@ -17,6 +19,10 @@ services:
     _defaults:
         public: true
 
+    _instanceof:
+        AppBundle\SocialNetwork\Transport:
+            tags: [ 'app.social_network.transport' ]
+
     Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler:
         public:    false
         arguments:
@@ -282,6 +288,11 @@ services:
         factory: ["@ting", get]
         arguments: [AppBundle\Association\Model\Repository\CompanyMemberRepository]
 
+    AppBundle\Event\Model\Repository\PlanningRepository:
+        class: AppBundle\Event\Model\Repository\PlanningRepository
+        factory: [ "@ting", get ]
+        arguments: [ AppBundle\Event\Model\Repository\PlanningRepository ]
+
     AppBundle\Security\LegacyAuthenticator:
         autowire: true
 
@@ -740,3 +751,28 @@ services:
         arguments:
             $httpClient: '@app.meetup.http_client'
             $antennesCollection: '@AppBundle\Antennes\AntennesCollection'
+
+    app.bluesky.http_client:
+        class: GuzzleHttp\Client
+        arguments:
+            $config:
+                base_uri: https://bsky.social/
+
+    AppBundle\SocialNetwork\Bluesky\BlueskyTransport:
+        arguments:
+            $client: '@app.bluesky.http_client'
+            $apiIdentifier: '%bluesky.api.identifier%'
+            $apiAppPassword: '%bluesky.api.app_password%'
+
+    AppBundle\VideoNotifier\HistoryRepository:
+        arguments:
+            $connection: '@Doctrine\DBAL\Connection'
+
+    AppBundle\VideoNotifier\Engine:
+        arguments:
+            $transports: !tagged_iterator app.social_network.transport
+            $planningRepository: '@AppBundle\Event\Model\Repository\PlanningRepository'
+            $talkRepository: '@AppBundle\Event\Model\Repository\TalkRepository'
+            $eventRepository: '@AppBundle\Event\Model\Repository\EventRepository'
+            $speakerRepository: '@AppBundle\Event\Model\Repository\SpeakerRepository'
+            $historyRepository: '@AppBundle\VideoNotifier\HistoryRepository'
diff --git a/composer.json b/composer.json
index 6248a3f46..4d8c28f8a 100644
--- a/composer.json
+++ b/composer.json
@@ -29,6 +29,7 @@
     "knpuniversity/oauth2-client-bundle": "^1.4",
     "league/iso3166": "^4.0",
     "league/oauth2-github": "^0.2.1",
+    "myclabs/php-enum": "^1.8",
     "nojimage/twitter-text-php": "1.1.*",
     "pacely/mailchimp-apiv3": "^1.0",
     "pear/pear": "^1.10",
@@ -40,6 +41,8 @@
     "setasign/fpdf": "^1.8",
     "smarty/smarty": "^5.4",
     "symfony/monolog-bundle": "*",
+    "symfony/polyfill-php80": "^1.31",
+    "symfony/string": "^5.4",
     "symfony/symfony": "^4.4",
     "twig/extensions": "^1.4",
     "willdurand/geocoder": "^3.3",
diff --git a/composer.lock b/composer.lock
index 04eef154f..1b6c1f414 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "562d751636c429107d15424f0f988736",
+    "content-hash": "ba2de68cb4c28611eea26e2d8011b039",
     "packages": [
         {
             "name": "algolia/algoliasearch-client-php",
@@ -5220,6 +5220,84 @@
             ],
             "time": "2024-09-09T11:45:10+00:00"
         },
+        {
+            "name": "symfony/polyfill-intl-grapheme",
+            "version": "v1.31.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-intl-grapheme.git",
+                "reference": "b9123926e3b7bc2f98c02ad54f6a4b02b91a8abe"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-grapheme/zipball/b9123926e3b7bc2f98c02ad54f6a4b02b91a8abe",
+                "reference": "b9123926e3b7bc2f98c02ad54f6a4b02b91a8abe",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "thanks": {
+                    "url": "https://github.com/symfony/polyfill",
+                    "name": "symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Grapheme\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for intl's grapheme_* functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "grapheme",
+                "intl",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-grapheme/tree/v1.31.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-09-09T11:45:10+00:00"
+        },
         {
             "name": "symfony/polyfill-intl-icu",
             "version": "v1.31.0",
@@ -5704,6 +5782,92 @@
             ],
             "time": "2024-09-09T11:45:10+00:00"
         },
+        {
+            "name": "symfony/string",
+            "version": "v5.4.47",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/string.git",
+                "reference": "136ca7d72f72b599f2631aca474a4f8e26719799"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/string/zipball/136ca7d72f72b599f2631aca474a4f8e26719799",
+                "reference": "136ca7d72f72b599f2631aca474a4f8e26719799",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "symfony/polyfill-ctype": "~1.8",
+                "symfony/polyfill-intl-grapheme": "~1.0",
+                "symfony/polyfill-intl-normalizer": "~1.0",
+                "symfony/polyfill-mbstring": "~1.0",
+                "symfony/polyfill-php80": "~1.15"
+            },
+            "conflict": {
+                "symfony/translation-contracts": ">=3.0"
+            },
+            "require-dev": {
+                "symfony/error-handler": "^4.4|^5.0|^6.0",
+                "symfony/http-client": "^4.4|^5.0|^6.0",
+                "symfony/translation-contracts": "^1.1|^2",
+                "symfony/var-exporter": "^4.4|^5.0|^6.0"
+            },
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "Resources/functions.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Component\\String\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Provides an object-oriented API to strings and deals with bytes, UTF-8 code points and grapheme clusters in a unified way",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "grapheme",
+                "i18n",
+                "string",
+                "unicode",
+                "utf-8",
+                "utf8"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/string/tree/v5.4.47"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2024-11-10T20:33:58+00:00"
+        },
         {
             "name": "symfony/symfony",
             "version": "v4.4.51",
diff --git a/db/migrations/20250228163339_create_video_notifier_history_table.php b/db/migrations/20250228163339_create_video_notifier_history_table.php
new file mode 100644
index 000000000..43111a2ec
--- /dev/null
+++ b/db/migrations/20250228163339_create_video_notifier_history_table.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+
+use Phinx\Migration\AbstractMigration;
+
+class CreateVideoNotifierHistoryTable extends AbstractMigration
+{
+    public function change(): void
+    {
+        $this->table('video_notifier_history')
+            ->addColumn('talk_id', 'integer')
+            ->addColumn('status_id_bluesky', 'string', [
+                'limit' => 30,
+                'null' => true,
+            ])
+            ->addColumn('status_id_mastodon', 'string', [
+                'limit' => 30,
+                'null' => true,
+            ])
+            ->addColumn('created_at', 'timestamp', [
+                'default' => 'CURRENT_TIMESTAMP',
+                'update' => ''
+            ])
+            ->create();
+    }
+}
diff --git a/sources/AppBundle/Command/VideoNotifierCommand.php b/sources/AppBundle/Command/VideoNotifierCommand.php
new file mode 100644
index 000000000..fa899c646
--- /dev/null
+++ b/sources/AppBundle/Command/VideoNotifierCommand.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\Command;
+
+use AppBundle\VideoNotifier\Engine;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+final class VideoNotifierCommand extends Command
+{
+    private Engine $engine;
+
+    public function __construct(Engine $engine)
+    {
+        parent::__construct();
+
+        $this->engine = $engine;
+    }
+
+    protected function configure(): void
+    {
+        $this
+            ->setName('plop')
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $this->engine->run();
+
+        return 0;
+    }
+}
diff --git a/sources/AppBundle/Event/Model/Repository/PlanningRepository.php b/sources/AppBundle/Event/Model/Repository/PlanningRepository.php
index 6217b5fb8..a5cc2a6e6 100644
--- a/sources/AppBundle/Event/Model/Repository/PlanningRepository.php
+++ b/sources/AppBundle/Event/Model/Repository/PlanningRepository.php
@@ -13,6 +13,9 @@
 use CCMBenchmark\Ting\Repository\Repository;
 use CCMBenchmark\Ting\Serializer\SerializerFactoryInterface;
 
+/**
+ * @extends Repository<Planning>
+ */
 class PlanningRepository extends Repository implements MetadataInitializer
 {
     /**
diff --git a/sources/AppBundle/Event/Model/Repository/SpeakerRepository.php b/sources/AppBundle/Event/Model/Repository/SpeakerRepository.php
index 0e7b2ee6f..46faa47f1 100644
--- a/sources/AppBundle/Event/Model/Repository/SpeakerRepository.php
+++ b/sources/AppBundle/Event/Model/Repository/SpeakerRepository.php
@@ -28,7 +28,7 @@ class SpeakerRepository extends Repository implements MetadataInitializer
     public function getSpeakersByTalk(Talk $talk)
     {
         $query = $this->getPreparedQuery('SELECT c.conferencier_id, c.id_forum, c.civilite, c.nom, c.prenom, c.email,c.societe,
-        c.biographie, c.twitter, c.user_github, c.photo
+        c.biographie, c.twitter, c.user_github, c.photo, c.bluesky, c.mastodon
         FROM afup_conferenciers c
         LEFT JOIN afup_conferenciers_sessions cs ON cs.conferencier_id = c.conferencier_id
         WHERE cs.session_id = :talkId
diff --git a/sources/AppBundle/SocialNetwork/Bluesky/BlueskyPolyfill.php b/sources/AppBundle/SocialNetwork/Bluesky/BlueskyPolyfill.php
new file mode 100644
index 000000000..a78d7f844
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/Bluesky/BlueskyPolyfill.php
@@ -0,0 +1,101 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork\Bluesky;
+
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\GuzzleException;
+use Symfony\Component\String\AbstractString;
+use Symfony\Component\String\ByteString;
+
+/**
+ * Cette classe contient des fonctions récupérées depuis le package symfony/bluesky-notifier
+ *
+ * Ce package n'est disponible qu'à partir de Symfony 7.1 et PHP 8.2
+ *
+ * @see https://github.com/symfony/bluesky-notifier/blob/7.2/BlueskyTransport.php
+ */
+final class BlueskyPolyfill
+{
+    private Client $client;
+
+    public function __construct(Client $client)
+    {
+        $this->client = $client;
+    }
+
+    public function parseFacets(string $input): array
+    {
+        $facets = [];
+        $text = new ByteString($input);
+
+        // regex based on: https://bluesky.com/specs/handle#handle-identifier-syntax
+        $regex = '#[$|\W](@([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)#';
+        foreach ($this->getMatchAndPosition($text, $regex) as $match) {
+            try {
+                $response = $this->client->request('GET', '/xrpc/com.atproto.identity.resolveHandle', [
+                    'query' => [
+                        'handle' => ltrim($match['match'], '@'),
+                    ],
+                ]);
+            } catch (GuzzleException $e) {
+                continue;
+            }
+
+            if ($response->getStatusCode() !== 200) {
+                continue;
+            }
+
+            $data = json_decode($response->getBody()->getContents(), true);
+
+            $did = $data['did'] ?? null;
+            if (null === $did) {
+                continue;
+            }
+
+            $facets[] = [
+                'index' => [
+                    'byteStart' => $match['start'],
+                    'byteEnd' => $match['end'],
+                ],
+                'features' => [
+                    [
+                        '$type' => 'app.bsky.richtext.facet#mention',
+                        'did' => $did,
+                    ],
+                ],
+            ];
+        }
+
+        return $facets;
+    }
+
+    private function getMatchAndPosition(AbstractString $text, string $regex): array
+    {
+        $output = [];
+        $handled = [];
+        $matches = $text->match($regex, \PREG_PATTERN_ORDER);
+        if ([] === $matches) {
+            return $output;
+        }
+
+        $length = $text->length();
+        foreach ($matches[1] as $match) {
+            if (isset($handled[$match])) {
+                continue;
+            }
+            $handled[$match] = true;
+            $end = -1;
+            while (null !== $start = $text->indexOf($match, min($length, $end + 1))) {
+                $output[] = [
+                    'start' => $start,
+                    'end' => $end = $start + (new ByteString($match))->length(),
+                    'match' => $match,
+                ];
+            }
+        }
+
+        return $output;
+    }
+}
diff --git a/sources/AppBundle/SocialNetwork/Bluesky/BlueskyTransport.php b/sources/AppBundle/SocialNetwork/Bluesky/BlueskyTransport.php
new file mode 100644
index 000000000..e09a465a2
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/Bluesky/BlueskyTransport.php
@@ -0,0 +1,166 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork\Bluesky;
+
+use AppBundle\SocialNetwork\Embed;
+use AppBundle\SocialNetwork\SocialNetwork;
+use AppBundle\SocialNetwork\Status;
+use AppBundle\SocialNetwork\StatusId;
+use AppBundle\SocialNetwork\Transport;
+use CuyZ\Valinor\Mapper\Source\Source;
+use CuyZ\Valinor\MapperBuilder;
+use GuzzleHttp\Client;
+
+final class BlueskyTransport implements Transport
+{
+    private Client $client;
+    private string $apiIdentifier;
+    private string $apiAppPassword;
+    private ?Session $session = null;
+
+    public function __construct(Client $client, string $apiIdentifier, string $apiAppPassword)
+    {
+        $this->client = $client;
+        $this->apiIdentifier = $apiIdentifier;
+        $this->apiAppPassword = $apiAppPassword;
+    }
+
+    public function socialNetwork(): SocialNetwork
+    {
+        return SocialNetwork::Bluesky();
+    }
+
+    public function send(Status $status): ?StatusId
+    {
+        $record = [
+            '$type' => 'app.bsky.feed.post',
+            'text' => $status->text,
+            'createdAt' => date('Y-m-d\\TH:i:s.u\\Z'),
+        ];
+
+        if ($status->embed !== null) {
+            $record['embed'] = $this->buildEmbed($status->embed);
+        }
+
+        $facets = (new BlueskyPolyfill($this->client))->parseFacets($status->text);
+
+        if ($facets !== []) {
+            $record['facets'] = $facets;
+        }
+
+        $response = $this->client->request('POST', '/xrpc/com.atproto.repo.createRecord', [
+            'headers' => [
+                'Authorization' => 'Bearer ' . $this->session()->accessJwt,
+            ],
+            'json' => [
+                'collection' => 'app.bsky.feed.post',
+                'repo' => $this->session()->did,
+                'record' => $record,
+            ],
+        ]);
+
+        $uri = json_decode($response->getBody()->getContents(), true)['uri'] ?? null;
+
+        if ($uri !== null) {
+            return new StatusId($this->extractPostId($uri));
+        }
+
+        return null;
+    }
+
+    private function session(): Session
+    {
+        if ($this->session === null) {
+            $response = $this->client->request('POST', '/xrpc/com.atproto.server.createSession', [
+                'json' => [
+                    'identifier' => $this->apiIdentifier,
+                    'password' => $this->apiAppPassword,
+                ],
+            ]);
+
+            $this->session = (new MapperBuilder())
+                ->allowSuperfluousKeys()
+                ->mapper()
+                ->map(Session::class, Source::json($response->getBody()->getContents()));
+        }
+
+        return $this->session;
+    }
+
+    // Un embed est ce qui permet d'avoir un cadre sous le texte du status avec un titre, une description et
+    // éventuellement une image.
+    private function buildEmbed(Embed $embedData): array
+    {
+        $embed = [
+            '$type' => 'app.bsky.embed.external',
+            'external' => [
+                'uri' => $embedData->url,
+                'title' => $embedData->title,
+                'description' => $embedData->abstract,
+            ],
+        ];
+
+        if ($embedData->imageUrl !== null) {
+            $thumbnail = $this->buildThumbnail($embedData->imageUrl);
+
+            if ($thumbnail !== null) {
+                $embed['external']['thumb'] = $thumbnail;
+            }
+        }
+
+        return $embed;
+    }
+
+    /**
+     * Cette fonction tente d'uploader une image sur Bluesky pour ajouter au status.
+     * S'il y a la moindre erreur, on ne bloque pas, on génère juste un status sans image.
+     */
+    private function buildThumbnail(string $thumbnailUrl): ?array
+    {
+        $downloadResponse = $this->client->request('GET', $thumbnailUrl);
+
+        if ($downloadResponse->getStatusCode() !== 200) {
+            return null;
+        }
+
+        $thumbnailBlob = $downloadResponse->getBody()->getContents();
+
+        $uploadResponse = $this->client->request('POST', '/xrpc/com.atproto.repo.uploadBlob', [
+            'headers' => [
+                'Authorization' => 'Bearer ' . $this->session()->accessJwt,
+                'Content-Type' => 'image/webp',
+                'Content-Length' => mb_strlen($thumbnailBlob),
+            ],
+            'body' => $thumbnailBlob,
+        ]);
+
+        if ($uploadResponse->getStatusCode() !== 200) {
+            return null;
+        }
+
+        $data = json_decode($uploadResponse->getBody()->getContents(), true);
+
+        // La clé blob contient un tableau dans le format attendu pour l'ajout du thumbnail
+        // dans le status donc pas besoin de le parser, on peut directement faire passe-plat.
+        return $data['blob'] ?? null;
+    }
+
+    private function extractPostId(string $uri): ?string
+    {
+        if (!preg_match('#^at://([^/]+)/([^/]+)/([^/]+)$#', $uri, $matches)) {
+            return null;
+        }
+
+        if (count($matches) !== 4) {
+            return null;
+        }
+
+        if (!is_string($matches[3])) {
+            return null;
+        }
+
+        return $matches[3];
+    }
+}
diff --git a/sources/AppBundle/SocialNetwork/Bluesky/Session.php b/sources/AppBundle/SocialNetwork/Bluesky/Session.php
new file mode 100644
index 000000000..c3932ec2b
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/Bluesky/Session.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork\Bluesky;
+
+/**
+ * @readonly
+ */
+final class Session
+{
+    public string $did;
+    public string $accessJwt;
+
+    public function __construct(string $did, string $accessJwt)
+    {
+        $this->did = $did;
+        $this->accessJwt = $accessJwt;
+    }
+}
diff --git a/sources/AppBundle/SocialNetwork/Embed.php b/sources/AppBundle/SocialNetwork/Embed.php
new file mode 100644
index 000000000..13da30401
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/Embed.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork;
+
+/**
+ * @readonly
+ */
+final class Embed
+{
+    public string $url;
+    public string $title;
+    public string $abstract;
+    public ?string $imageUrl;
+
+    public function __construct(string $url, string $title, string $abstract, ?string $imageUrl)
+    {
+        $this->url = $url;
+        $this->title = $title;
+        $this->abstract = $abstract;
+        $this->imageUrl = $imageUrl;
+    }
+}
diff --git a/sources/AppBundle/SocialNetwork/SocialNetwork.php b/sources/AppBundle/SocialNetwork/SocialNetwork.php
new file mode 100644
index 000000000..18615e3a2
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/SocialNetwork.php
@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork;
+
+use AppBundle\Event\Model\Speaker;
+use AppBundle\VideoNotifier\HistoryEntry;
+use MyCLabs\Enum\Enum;
+
+/**
+ * @extends Enum<SocialNetwork::*>
+ * @method static SocialNetwork Bluesky()
+ * @method static SocialNetwork Mastodon()
+ */
+final class SocialNetwork extends Enum
+{
+    private const Bluesky = 'bluesky';
+    private const Mastodon = 'mastodon';
+
+    public function statusMaxLength(): int
+    {
+        switch ($this->value) {
+            case self::Bluesky:
+                return 300;
+            case self::Mastodon:
+                return 500;
+            default:
+                return 280;
+        }
+    }
+
+    public function speakerHandle(Speaker $speaker): ?string
+    {
+        if ($this->value === self::Bluesky) {
+            $handle = $speaker->getBluesky();
+        } else {
+            $handle = $speaker->getMastodon();
+        }
+
+        if ($handle === null) {
+            return null;
+        }
+
+        if (str_starts_with($handle, '@')) {
+            return $handle;
+        }
+
+        return '@' . $handle;
+    }
+
+    public function setStatusId(HistoryEntry $historyEntry, StatusId $statusId): void
+    {
+        if ($this->value === self::Bluesky) {
+            $historyEntry->setStatusIdBluesky($statusId->value);
+        }
+
+        $historyEntry->setStatusIdMastodon($statusId->value);
+    }
+}
diff --git a/sources/AppBundle/SocialNetwork/Status.php b/sources/AppBundle/SocialNetwork/Status.php
new file mode 100644
index 000000000..6f3c241b3
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/Status.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork;
+
+/**
+ * @readonly
+ */
+final class Status
+{
+    public string $text;
+    public ?Embed $embed;
+
+    public function __construct(string $text, ?Embed $embed = null)
+    {
+        $this->text = $text;
+        $this->embed = $embed;
+    }
+}
diff --git a/sources/AppBundle/SocialNetwork/StatusId.php b/sources/AppBundle/SocialNetwork/StatusId.php
new file mode 100644
index 000000000..f0cb86d30
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/StatusId.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork;
+
+/**
+ * @readonly
+ */
+final class StatusId
+{
+    public string $value;
+
+    public function __construct(string $value)
+    {
+        $this->value = $value;
+    }
+}
diff --git a/sources/AppBundle/SocialNetwork/Transport.php b/sources/AppBundle/SocialNetwork/Transport.php
new file mode 100644
index 000000000..b4bda0cbd
--- /dev/null
+++ b/sources/AppBundle/SocialNetwork/Transport.php
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\SocialNetwork;
+
+interface Transport
+{
+    public function socialNetwork(): SocialNetwork;
+
+    /**
+     * Cette fonction est responsable des appels aux APIs d'un réseau pour poster un statut.
+     */
+    public function send(Status $status): ?StatusId;
+}
diff --git a/sources/AppBundle/VideoNotifier/Engine.php b/sources/AppBundle/VideoNotifier/Engine.php
new file mode 100644
index 000000000..904e59a37
--- /dev/null
+++ b/sources/AppBundle/VideoNotifier/Engine.php
@@ -0,0 +1,144 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\VideoNotifier;
+
+use AppBundle\Event\Model\Event;
+use AppBundle\Event\Model\Planning;
+use AppBundle\Event\Model\Repository\EventRepository;
+use AppBundle\Event\Model\Repository\PlanningRepository;
+use AppBundle\Event\Model\Repository\SpeakerRepository;
+use AppBundle\Event\Model\Repository\TalkRepository;
+use AppBundle\Event\Model\Talk;
+use AppBundle\SocialNetwork\Transport;
+use CCMBenchmark\Ting\Repository\CollectionInterface;
+
+final class Engine
+{
+    private const VALID_TALK_TYPES = [
+        Talk::TYPE_FULL_LONG,
+        Talk::TYPE_FULL_SHORT,
+    ];
+
+    private PlanningRepository $planningRepository;
+    private TalkRepository $talkRepository;
+    private EventRepository $eventRepository;
+    private SpeakerRepository $speakerRepository;
+    private HistoryRepository $historyRepository;
+
+    /** @var iterable<Transport> */
+    private iterable $transports;
+
+    /**
+     * @param iterable<Transport> $transports
+     */
+    public function __construct(
+        iterable $transports,
+        PlanningRepository $planningRepository,
+        TalkRepository $talkRepository,
+        EventRepository $eventRepository,
+        SpeakerRepository $speakerRepository,
+        HistoryRepository $historyRepository
+    ) {
+        $this->transports = $transports;
+        $this->planningRepository = $planningRepository;
+        $this->talkRepository = $talkRepository;
+        $this->eventRepository = $eventRepository;
+        $this->speakerRepository = $speakerRepository;
+        $this->historyRepository = $historyRepository;
+    }
+
+    public function run(): void
+    {
+        $talk = $this->pickRandomTalk();
+
+        if ($talk === null) {
+            return; // todo log ?
+        }
+
+        $speakers = $this->speakerRepository->getSpeakersByTalk($talk);
+
+        $historyEntry = new HistoryEntry($talk->getId());
+
+        foreach ($this->transports as $transport) {
+            $statusGenerator = new StatusGenerator($transport->socialNetwork());
+
+            $status = $statusGenerator->generate($talk, iterator_to_array($speakers));
+
+            $statusId = $transport->send($status);
+
+            if ($statusId !== null) {
+                $transport->socialNetwork()->setStatusId($historyEntry, $statusId);
+            }
+        }
+
+        $this->historyRepository->insert($historyEntry);
+    }
+
+    private function pickRandomTalk(): ?Talk
+    {
+        // todo add a way to pick an event (like for twitter)
+        $minimumEventDate = new \DateTime('-20 years'); // todo
+
+        /** @var CollectionInterface<Planning>&iterable<Planning> $plannings */
+        $plannings = $this->planningRepository->getAll();
+
+        $talks = [];
+
+        /** @var Planning $planning */
+        foreach ($plannings as $planning) {
+            /** @var Talk|null $talk */
+            $talk = $this->talkRepository->get($planning->getTalkId());
+
+            if (null === $talk
+                || !$talk->isDisplayedOnHistory()
+                || !$talk->hasYoutubeId()
+                || !in_array($talk->getType(), self::VALID_TALK_TYPES, true)
+            ) {
+                continue;
+            }
+
+            /** @var Event|null $event */
+            $event = $this->eventRepository->get($planning->getEventId());
+
+            if (null === $event || $event->startsBefore($minimumEventDate)) {
+                continue;
+            }
+
+            $talks[] = $talk;
+        }
+
+        $talksWithLessPosts = $this->findLessPostedTalks($talks);
+
+        if ($talksWithLessPosts === []) {
+            return null;
+        }
+
+        return $talksWithLessPosts[array_rand($talksWithLessPosts)];
+    }
+
+    /**
+     * @param array<Talk> $talks
+     * @return array<Talk>
+     */
+    private function findLessPostedTalks(array $talks): array
+    {
+        $quantities = $this->historyRepository->getNumberOfStatusesPerTalk($talks);
+        $maxCount = 0;
+        $minCount = PHP_INT_MAX;
+
+        foreach ($talks as $talk) {
+            $count = $quantities[$talk->getId()] ?? 0;
+
+            $maxCount = max($maxCount, $count);
+            $minCount = max($minCount, $count);
+        }
+
+        if ($minCount === $maxCount) {
+            return $talks;
+        }
+
+        return array_filter($talks, fn (Talk $talk) => ($quantities[$talk->getId()] ?? 0) !== $maxCount);
+    }
+}
diff --git a/sources/AppBundle/VideoNotifier/HistoryEntry.php b/sources/AppBundle/VideoNotifier/HistoryEntry.php
new file mode 100644
index 000000000..b38cd70dd
--- /dev/null
+++ b/sources/AppBundle/VideoNotifier/HistoryEntry.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\VideoNotifier;
+
+class HistoryEntry
+{
+    private int $talkId;
+    private ?string $statusIdBluesky;
+    private ?string $statusIdMastodon;
+
+    public function __construct(int $talkId)
+    {
+        $this->talkId = $talkId;
+    }
+
+    public function setStatusIdBluesky(?string $statusIdBluesky): void
+    {
+        $this->statusIdBluesky = $statusIdBluesky;
+    }
+
+    public function setStatusIdMastodon(?string $statusIdMastodon): void
+    {
+        $this->statusIdMastodon = $statusIdMastodon;
+    }
+
+    public function getTalkId(): int
+    {
+        return $this->talkId;
+    }
+
+    public function getStatusIdBluesky(): ?string
+    {
+        return $this->statusIdBluesky;
+    }
+
+    public function getStatusIdMastodon(): ?string
+    {
+        return $this->statusIdMastodon;
+    }
+}
diff --git a/sources/AppBundle/VideoNotifier/HistoryRepository.php b/sources/AppBundle/VideoNotifier/HistoryRepository.php
new file mode 100644
index 000000000..c5333e641
--- /dev/null
+++ b/sources/AppBundle/VideoNotifier/HistoryRepository.php
@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\VideoNotifier;
+
+use AppBundle\Event\Model\Talk;
+use Doctrine\DBAL\Connection;
+
+final class HistoryRepository
+{
+    private Connection $connection;
+
+    public function __construct(Connection $connection)
+    {
+        $this->connection = $connection;
+    }
+
+    public function insert(HistoryEntry $entry): void
+    {
+        $this->connection->createQueryBuilder()
+            ->insert('video_notifier_history')
+            ->values([
+                'talk_id' => '?',
+                'status_id_bluesky' => '?',
+                'status_id_mastodon' => '?',
+            ])
+            ->setParameters([
+                $entry->getTalkId(),
+                $entry->getStatusIdBluesky(),
+                $entry->getStatusIdMastodon(),
+            ])
+            ->execute();
+    }
+
+    /**
+     * @param array<Talk> $talks
+     * @return array<int, int>
+     */
+    public function getNumberOfStatusesPerTalk(array $talks): array
+    {
+        $rows = ($qb = $this->connection->createQueryBuilder())
+            ->from('video_notifier_history', 'h')
+            ->select('h.talk_id', 'COUNT(id) AS quantity')
+            ->where(
+                $qb->expr()->in('h.talk_id', array_map(fn (Talk $talk) => $talk->getId(), $talks))
+            )
+            ->groupBy('h.talk_id')
+            ->execute()
+            ->fetchAllAssociative();
+
+        $map = [];
+
+        foreach ($rows as $row) {
+            $map[$row['talk_id']] = $row['quantity'];
+        }
+
+        return $map;
+    }
+}
diff --git a/sources/AppBundle/VideoNotifier/StatusGenerator.php b/sources/AppBundle/VideoNotifier/StatusGenerator.php
new file mode 100644
index 000000000..71e545253
--- /dev/null
+++ b/sources/AppBundle/VideoNotifier/StatusGenerator.php
@@ -0,0 +1,130 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\VideoNotifier;
+
+use AppBundle\Event\Model\Speaker;
+use AppBundle\Event\Model\Talk;
+use AppBundle\SocialNetwork\Embed;
+use AppBundle\SocialNetwork\SocialNetwork;
+use AppBundle\SocialNetwork\Status;
+
+final class StatusGenerator
+{
+    private SocialNetwork $socialNetwork;
+
+    public function __construct(SocialNetwork $socialNetwork)
+    {
+        $this->socialNetwork = $socialNetwork;
+    }
+
+    /**
+     * Cette fonction génère un statut pour un réseau social (Bluesky ou Mastodon par exemple) à partir d'un talk.
+     *
+     * La fonction tente plusieurs formats de statut jusqu'à en trouver un qui ne dépasse pas la longueur max
+     * du réseau social en cours.
+     */
+    public function generate(Talk $talk, array $speakers): Status
+    {
+        if ($speakers === []) {
+            throw new \InvalidArgumentException('no speaker provided');
+        }
+
+        $mentionsText = $this->buildMentionsText($speakers);
+
+        $text = sprintf(
+            "« %s » La conférence de %s à revoir sur le site de l'AFUP",
+            $talk->getTitle(),
+            $mentionsText,
+        );
+
+        // Si c'est trop long, on remplace "La conférence de" par "Par"
+        if (mb_strlen($text) > $this->socialNetwork->statusMaxLength()) {
+            $text = sprintf(
+                "« %s » Par %s à revoir sur le site de l'AFUP",
+                $talk->getTitle(),
+                $mentionsText,
+            );
+        }
+
+        // Si c'est encore trop long, on enlève "le site"
+        if (mb_strlen($text) > $this->socialNetwork->statusMaxLength()) {
+            $text = sprintf(
+                "« %s » Par %s à revoir sur l'AFUP",
+                $talk->getTitle(),
+                $mentionsText,
+            );
+        }
+
+        // Remplacement des espaces multiples par un seul
+        $text = preg_replace('/\s+/', ' ', $text);
+
+        if (($length = mb_strlen($text)) > $this->socialNetwork->statusMaxLength()) {
+            throw new \LengthException(sprintf(
+                "Taille du status %s (%d/%d) incorrecte : %s",
+                $this->socialNetwork->getValue(),
+                $length,
+                $this->socialNetwork->statusMaxLength(),
+                $text,
+            ));
+        }
+
+        return new Status(
+            $text,
+            new Embed(
+                'https://afup.org/talks/' . $talk->getId() . '-' . $talk->getSlug(),
+                $talk->getTitle(),
+                strip_tags(html_entity_decode($talk->getAbstract())),
+                $this->buildThumbnailUrl($talk),
+            ),
+        );
+    }
+
+    /**
+     * Prend une liste de speakers et les retourne séparés par des virgules et le mot "et".
+     *
+     * La fonction s'adapte à la quantité de speakers :
+     *
+     * - ['Foo', 'Bar'] devient "Foo, Bar"
+     * - ['Foo', 'Bar', 'Fiz'] devient "Foo, Bar et Fiz"
+     *
+     * @param array<Speaker> $speakers
+     */
+    private function buildMentionsText(array $speakers): string
+    {
+        $mentions = array_map(
+            fn (Speaker $speaker) => $this->socialNetwork->speakerHandle($speaker) ?? $speaker->getLabel(),
+            $speakers,
+        );
+
+        $count = count($mentions);
+
+        if ($count === 0) {
+            return '';
+        }
+
+        if ($count === 1) {
+            return $mentions[0];
+        }
+
+        if ($count === 2) {
+            return $mentions[0] . ' et ' . $mentions[1];
+        }
+
+        $lastMention = array_pop($mentions);
+
+        return implode(', ', $mentions) . ' et ' . $lastMention;
+    }
+
+    private function buildThumbnailUrl(Talk $talk): ?string
+    {
+        $youTubeId = $talk->getYoutubeId();
+
+        if ($youTubeId === null) {
+            return null;
+        }
+
+        return sprintf('https://i.ytimg.com/vi_webp/%s/maxresdefault.webp', $youTubeId);
+    }
+}