www.quora.com

          Quora is your best source of knowledge. Ask any question, get real answers from people with first hand experience, and blog about what you know.

Link: https://www.quora.com/

www.vark.com

         Aardvark is a new kind of tool that lets you tap into the knowledge and experience of friends and friends-of-friends. Send Aardvark a question (from the web, IM, email, Twitter, or iPhone) and you’ll get a quick, helpful response from someone with…

• The right knowledge and experience to help
• Similar tastes
• Friends in common

Link: http://www.vark.com/

www.boddunan.com

        boddunan.com is a community driven content sharing portal integrated with sophisticated money making programs including but not limited to article cash rewards, web links rewards, monthly awards ad contests.

         Boddunan.com is a host to all users who want to share their knowledge to the world. And a place where Information Creates Wealth. Boddunan.com is founded by a Hyderabad based software engineer Nagarjun, having over 10 years of Industry experience in developing software solutions. The site is running by well supported staff including a couple of R&D people and support staff for reviewing and approving the articles.

Link: http://www.boddunan.com/

www.trueknowledge.com

           True Knowledge gives you direct answers to your questions, just as if you were talking to another human being. Answering questions based on 374 million facts on 11.4 million things.

Link: http://www.trueknowledge.com/

www.ikw.in

          Knowledge@Wharton is an online resource that offers the latest business insights, information, and research from a variety of sources.  Content includes analysis of current business trends, interviews with industry leaders and Wharton faculty, articles based on the most recent business research, book reviews, conference and seminar reports, and links to other websites.

Link: http://www.ikw.in/