"Follow that question" feature
30609
How do question bookmarks work?
54976
Should we remind users with a link to their question?
145836
Wow, the iOS app feed sure showed me an interesting question! I want to read more. Uh, how do I get there?
86188
Get attention to a new answer to an old question
5563
Asking users to accept answer when they comment that it answers their question
67316
Add the ability to add "top questions" to Careers 2.0 Profile
23324
Add "Your Question has been posted" notification
138305
Automatically suggest asking on another site
69317
Question Close Updates
19664
Is it possible to view Featured Question via the mobile site and iOS/android app?
22991
A way for "new users" to ask about their post specifically
115700
Watching questions for answers
91504
Ask a question and notify users on specific users list
50595
Welcome back message suggests to upvote questions and answers even when questions are locked
94269
Is there a way to follow a user on Stack Overflow?
91663
View question when answering
64514
Can there be a notification for bounties started on questions you've asked or answered?