S_No Q & A Sites List
1 http://linkedin.com
2 http://reddit.com
3 http://answers.com/
4 http://answers.yahoo.com
5 http://quora.com
6 http://stackoverflow.com
7 https://www.wikihow.com
8 http://ask.fm
9 https://stackexchange.com/
10 http://superuser.com
11 http://ask.metafilter.com
12 http://www.fixya.com/
13 http://straightdope.com
14 http://enotes.com
15 http://sharecare.com