Allow comments from public in public posts
121862
How do I comment on Mark Zuckerberg's posts?
41334
Please make pending edit suggesters be @reply-able in comments
112824
Allow mobile users to review posts
139516
User profile comments
18647
Commenting out large sections
93356
Do Stack Exchange sites allow editing of comments and posts from other users?
49837
Add the ability to see your public profile on Stack Exchange
7494
Comment on posts that you have an open bounty on, despite reputation
66878
Taking ownership of comments on migrated questions
114749
Allow post editor to see @comments directed at him
154006
Allow linking (suggested) edits to one comment
23614
A method for the OP to accept comments?
61716
For protected questions, require local reputation to comment
8000
How do comments work?
18490
Allow flagging comments on mobile site
51535
What's the justification for the commenting reputation requirement?
146776
Retrieve my comments on friend's Facebook posts