Bots are accounts on the network that post automatically. Popular ones include bots that post the magnitude of recent earthquakes, photos from an archive on a regular schedule, etc.
📄️ Custom Feeds
Custom feeds, or feed generators, are services that provide custom algorithms to users through the AT Protocol. This allows users to choose their own timelines, whether it's an algorithmic For You page or a feed of entirely cat photos.
Bluesky is a public social network with completely open APIs, so anyone can build a client and have access to the same data that the Bluesky app uses. In fact, the official Bluesky client uses the same APIs that a third-party client uses too.