@kamens Check out the new post: "Real Value of KA…is in the Exercises" + a s/o to the devs. http://blog.harshpatel.net/education/2012/8/2/real-value-of-khan-academy-is-not-in-videos-its-in-the-exerc.html

9 months 3 weeks ago Twitter

@kamens Check out the new post: "Real Value of KA…is in the Exercises" a s/o to the devs.