The truth is that Khan Academy is helping millions of people - and I'm one of them - to learn topic that seemed out of their reach. Maybe KA hasn't understood a

The truth is that Khan Academy is helping millions of people - and I'm one of them - to learn topic that seemed out of their reach. Maybe KA hasn't understood all of the pieces of the educational puzzle, but given their resources and trajectory I think they can have the same kind of profound impact as Wikipedia.