Awesome almost portable Reality to Internet Interface.
These guys at MIT have hacked together a device that acts as a multitouchtouch interface screen on anything - and its almost wearable. You can go into a bookstore an have a camera scan the face of the book and display amazon star rating on the real life book. Then you can have it read stuff to you. Or you can make temporary graffity in the UBahn while you are bored. Or see how green a product is in the supermarket. Reality to virtual interfaces in all forms are the next big thing - the wii was just the tiny beginning.
Full article on wired.