Opening an account just for the sake of upvoting
34507
Joining a Stack Exchange site for the single purpose of an upvote
147115
Disallow downvoting other answers if I've posted my own
114158
Anonymity of downvotes has a loophole
8960
Encouraging people to explain downvotes
145834
Can you appeal against a downvote on Stack Exchange sites?
39016
Inform new users if they can upvote an answer they accepted
51535
What's the justification for the commenting reputation requirement?
55733
Downvotes appear to be pure evil
69144
Should there be a "No vote, but okay" option in reviewing first posts?
63464
Automatically upvote questions you answer - Unless you say otherwise
84130
If downvoting is so important, why does it cost reputation?
119103
Allow downvoting comments
138504
First Post suggests an answer from a "new user" who is 3+ years old with 1800 rep
78594
Downvotes and close of beginner question
33699
Upvoting based on celebrity, too many upvotes ("excessive rep slurping")
122242
Is it possible using the SE API to get a list of another user's posts that I have upvoted?
22966
Penalise Downvotes without Comment / Reward Downvotes with Comments