Process story! , , and I finished this endless report on our early math work (khanacademy.org/research/repor), but convinced us we had the story all wrong. Despair, then: we printed it, cut it up, rearranged it, scribbled all over it, and taped it together.
Conversation
(it's not; this is a parallel implementation of related ideas by , different in important ways—i.e. it's not self-hosting—buuuuut, if you want iframes on your floor…)