@BillGates Relative to truly great teachers, like Tsubota or John Hunter http://bit.ly/1Pn1UEN , even Harvard lags:http://bit.ly/1MAbEGO
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@BillGates Relative to truly great teachers, like Tsubota or John Hunter http://bit.ly/1Pn1UEN , even Harvard lags:http://bit.ly/1MAbEGO