Another really nice application of Nintendo's Wii remote by Johnny Lee.

It's amazing how good the 3-D effect is, I guess our brains are wired to interpret depth in this way.

This is very cool: a wii remote + infrared led + projector and you have your own interactive whiteboard:

more details here.

Looks like there's drivers for the wii remote for most platforms even linux, so hopefully we will see a whole lot of programs that make use of it eg driving powerpoint, navigation for croquet, ...