Photosynth most likely is not unknown to you (mentioned it quite a few times already), but the first part of the demo on Seadragon might have been. Damn impressive demo! Think of the new marketing aspects when using Seadragon to read a newspaper (which is demonstrated)
Omg, you’ve so got to see this … really really really interesting stuff! Part 1: Part 2: More info over at http://www.tenthdimension.com/ B! Update 2007.01.14 Just saw "Deja Vu" today … good to have seen this here first 😉