Chalk 'n talk for the masses - is Khan academy really going to change the world? #ocTEL bit.ly/11XcszM
— Jim Pettiward (@jimpettiward) May 10, 2013
This is an archive of the 2013 version of ocTEL.
jimpettiward: Chalk 'n talk for the masses – is Khan academy really going to change the world? #ocTEL http://t.co/UHCH5gzqO9
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