19014584 69da101bdaae3fbcb92b71f3eb6a28bb whardaway http://gravatar.com/whardaway whardaway http://2.gravatar.com/avatar/69da101bdaae3fbcb92b71f3eb6a28bb http://2.gravatar.com/avatar/69da101bdaae3fbcb92b71f3eb6a28bb thumbnail William Hardaway William G. Hardaway whardaway william.hardaway@gmail.com true http://ted.com http://mashable.com http://www.popsci.com/ http://www.khanacademy.org/ http://ocw.mit.edu/index.htm