Questions based on opinion
924
Give each site a parallel site for polling, recommendations and subjective-ish stuff
97221
How to encourage voting on questions
81840
Posting self-answered questions for information: Should they be community wiki?
154631
Statistics for ratio of questions to answers
143202
Can “How to” be a question?
116677
Should one ask generic or specific question?
75001
Does it make sense to put new or bad questioners in a "sandbox"?
65587
Strategy for "Which is better" questions
107267
Where can I get an opinion?
72119
Stack Exchange Site for Deciding Where to Post Questions
96777
Ways to give users some specific education about question quality and topicality
103155
Does Stack Exchange allow for answers which question the validity or stance of the original question?
52307
Use "score" instead of "votes" in the list of questions
134831
Ability to create questions with vote or comment or both disabled
44346
Should we retag questions with topics proposed in the answers?
115725
Strategy for dealing with "which is faster?" questions
78761
How do I approach existing questions to which I believe the answers are inadequate?