I personally love the Nintendo Wii. The remote control is awesome, as is the ability to surf the web and check email on your main television in the house. The games are so interactive and neat that you'll lose weight if you play them everyday. It's quite a different experience than any other gaming system, as any Wii owner will tell you.
The Wii Remote -- or Wiimote -- features infrared sensors and cameras, motion sensors and even Bluetooth. But, if that's not enough for those of you who love to spout off techno-jargon to your friends and relatives, the hack shown above might be right up your alley. This is so Minority Report, as the video even says. Well, at least it's close, eh?
Basically, you're going to need to build a small infrared transmission grid (or array), but don't let that term scare you. These can be purchased pre-assembled, or you can even make your own and power it with a simple battery (like an AA). Once you have an LED array (and yes, you'll be unable to see the infrared light transmitted), you're ready to have some futuristic, novel fun with finger tracking. Is this yet another cool Wiihack or what?