A Talk by Dylan Wiliam

Part I http://www.youtube.com/watch?v=t0t_3nLHQhA
Part II http://www.youtube.com/watch?v=lKPExw5cjsI&feature=related&noredirect=1
Trailer http://www.youtube.com/watch?v=4toT7aD3xqI&feature=related

Philadelphia 17 October 2011

http://www.dylanwiliam.net/

Tack Youtube och tack Dylan!