If you haven’t seen it yet, stop on by and check out “Sculpty Earth”! It’s a 3D topographic model of the Earth in Second Life that’s big enough to walk around on top of. It also has live cloud tracking. Nifty, eh? Now your friends can stand with you and point at their house even if they live on the other side of the world.
For all the details, read the write-up at New World Notes.