This article is emblematic of the hardest challenge Khan Academy faces, IMO, as it tries to change the educational system from the current 'lecture at school, p

This article is emblematic of the hardest challenge Khan Academy faces, IMO, as it tries to change the educational system from the current 'lecture at school, practice at home' approach used by virtually all schools today, to the 'learn at home, tinker and interact at school' championed by Khan Academy. The hardest challenge is this: disrupting the educational experience requires buy-in from teachers, administrators, regulators, academics, and existing service providers, but all these parties are nearly always resistant to change and well-entrenched in their positions, making large-scale change very, very, very slow and difficult. The optimist in me wishes Sal Khan and his team only success as they take on, and attempt to co-opt, the educational establishment. The realist in me thinks they face a long, tough battle.