You'll notice that I didn't actually say that Khan was the "most dangerous phenomenon," but rather our own obsession with it, and the misinterpretation of what

You'll notice that I didn't actually say that Khan was the "most dangerous phenomenon," but rather our own obsession with it, and the misinterpretation of what it can do. Khan itself is great, but using it for what it wasn't intended to do is a real problem...and one that schools & districts are beginning to pursue more and more.