Why does Stack Overflow prevent new users from commenting?
34339
Lower the amount of reputation needed to comment
144976
Blocking comment spam without using captcha
7147
Allow for setting comments to "auto-expire", to become "temporary comments"
88118
Can no longer enter comments on Stack Overflow with IE8, IE9, IE10
129908
Allow flagging own comments
104814
'Daily vote limit reached' only for comments
8000
How do comments work?
58991
How do I enable comments for user profiles?
18896
How does comment voting and flagging work?
49430
"Add/show 1 other comment" bug strikes again
1888
Best way to obtain clarifying information when reputation doesn't allow comments?
93356
Do Stack Exchange sites allow editing of comments and posts from other users?
114053
How do I remove default comment validation in drupal 7?
127692
One comment per user per post but be able to reply to existing comments
147193
Should the site prompt new users to include an @name in comments?
67115
Error when commenting or answering on a site where you are not registered
61716
For protected questions, require local reputation to comment