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birdy1976: @khanacademy: Let’s use #video (and interactive exercises) to reinvent #education (via @david_gerlach) #TED http://icio.us/1fbwMK
birdy1976: @khanacademy: Let’s use #video (and interactive exercises) to reinvent #education (via @david_gerlach) #TED http://icio.us/1fbwMK