How do I follow a topic?

Open the topic you care about and click Follow, either next to its name at the top or in the About this Topic card. You can also follow topics straight from the All Topics page.

New discussions in the topics you follow show up in the Following tab on your home page. Following a main topic includes its subtopics too.

You can follow people and discussions the same way. Discussions you start or reply to are followed automatically, so you get a notification when someone replies. To see or prune everything you follow, open Following in the left sidebar.