How about a polling question?
924
Give each site a parallel site for polling, recommendations and subjective-ish stuff
147010
Are all questions welcome?
157454
Questionee? Inquiree? Interrogatee?
27770
Request a specific expert on a subject to answer your question
13780
Why do we vote on questions?
133971
Let's have an explicit triage system for questions from new users
40033
Where can I ask an open discussion question?
87872
Is it acceptable to use "Just wondering" as a question?
47803
Answering the same question across the site
52307
Use "score" instead of "votes" in the list of questions
25104
Is there a sandbox to post test questions?
103157
Moderator Elections: new questionnaire UI
140537
Would a "Related network questions" list be possible and worthwhile?
8116
Does it make sense to Favourite a Question you created?
27542
How do I implement basic "Long Polling"?
153134
Where can I ask a question that demands different opinions?
93107
Can the elections page show how many questions a user has voted to close/delete/protect?