Comment upon down voting a question on stack-overflow
8960
Encouraging people to explain downvotes
80121
Send request for "reason for down vote"?
5563
Asking users to accept answer when they comment that it answers their question
133049
Way to convert an answer to a comment?
7611
How could I notify Stack Overflow's expert users about my new question?
5394
Add downvote option to Low Quality Review Queue list of potential actions
128221
Promoting comments to answers
21415
How can I remove a (down)vote that I accidentaly made
51806
Make it cost more to downvote without comment; make it hurt to leave a crap comment
76457
Is down voting supposed to be anonymous?
55618
Option to be notified when a post I downvoted is edited
148279
Have downvotes cost more, to be refunded when a comment on that question/answer gets an upvote
1979
Can I ask other stack overflow members to consider removing their downvote after a post has been deleted?
131902
Could we provide some automatic feedback on (enough) unfriendly/rude comments?
128269
Comments asking for upvotes/accepts
96392
Comment on a question without 50 reputation points
104116
How can I know if my post(comment, answer, question) was Flagged?