How to cite a tweet in academic papers, http://ping.fm/7y5dj

"Can changing how we teach make our kids smarter, more creative?, "http://ping.fm/jCezP

4 Research Projects for 2012, funded by the United Board, for PH-based partners of AUDRN, http://ping.fm/QGJwR

"The death of online piracy: the end of the Internet as we know it", http://ping.fm/UoT5E

'Badges' Earned Online Poses Challenge to Traditional College Diplomas, http://ping.fm/sdKRc

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"If change is constant, then the half-life of codified knowledge (stock) decreases" - Harold Jarche, http://ping.fm/vNB0O

"Khan and A.I.: Open Online Courses"- George Siemens, http://ping.fm/rVkAw