Khan Academy: Friend or Foe?
A Principal's Reflections
APRIL 23, 2012
To date, these statistics are: 140 million+ lessons delivered, 500 million+ exercises done, and 6+ million unique visits per month. Sal Khan says his system is out of sync with that of traditional education systems that have become indoctrinated over many years. You can learn more details about other associated features here.
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