Introduction Have you heard of Mastodon? Mastodon is a self-hosted social networking service, where independently run servers federate content to each other using ActivityPub. Each Mastodon server has its own set of users, own code of conduct, own terms and moderation policies. Users post short messages (called “toots”) to the world, or to select people. They can also subscribe to other users’ feeds on any server. ActivityPub is a standard for the Internet in the Social Web Networking G...
