(Updated July 2012)
Great for for niche research, plus you can join the conversations and get a backlink.
About.com – Valuable resource for content that helps answer people’s questions in everyday life.
AnswerBag – Have a question – ask it. Know an answer – share it.
Answers – Huge Q&A portal that’s great to get ideas as well as valuable backlinks if you provide useful answers.
Aol Answers – Ask a question about anything and AOL Answers will send it to people experts who can help.
Askville – Similar to Answers.
Dummies – Step by step instruction, how to information, and video demonstrations awaiting your discovery at dummies com.
eHow – Expert advice along with How-To videos and articles on almost anything.
Find All About – Specializes in providing custom reports to its users from its comprehensive database – reports are keyword driven.
Early To Rise – Popular daily newsletter. “Early To Rise Health, Wealth & Success Ezine”
How Stuff Works – Thousands of topics, from engines to lock picking to ESP.
Quora – Delivers you answers and content from people who share your interests – reqires sign-up.
So You Wanna – Teaches you how to do all the things nobody taught you in school.
VideoJug – Easy to follow, expert how-to videos on almost everything you could ever want to learn how to do.
WikiHow – A wiki based collaboration to build the world’s largest, highest quality how to manuals. Anyone can write or edit a page on the site.
Yahoo Answers – You can ask questions on any topic, get answers from real people, and share your insights and experience.