What's the canonical link for comments being "second-class citizens"?
2514
Why do I need 50 reputation to comment? What can I do instead?
18896
How does comment voting and flagging work?
9219
Add [privileges] to magic comment links
48198
Community ♦ flagging freeform closed posts for comment
8000
How do comments work?
119103
Allow downvoting comments
128982
Site specific magic comment links
39421
A guide to moderating comments
10373
Can we get rid of the threshold of 15 chars for comments?
139516
User profile comments
44486
Count below a comment is misleading
20845
Direct Link to a Comment
18033
How do I use formatting in comments?
124799
Why are some usernames on comments not a link to user profiles?
61716
For protected questions, require local reputation to comment
52100
Allow new users to flag comments on their own posts
1419
How do comment @replies work?