4 ms·

Thats the old response to this critique http://www.washingtonpost.com/blogs/answer-sheet/post/khan-academy-the-hype-and-the-reality/2012/07/22/gJQAuw4J3W_blog.h

by nadu 14y ago

Thats the old response to this critique http://www.washingtonpost.com/blogs/answer-sheet/post/khan-academy-the-hype-and-the-reality/2012/07/22/gJQAuw4J3W_blog.html http://www.washingtonpost.com/blogs/answer-sheet/post/khan-a...