augmented reality

Augmented Reality was not meant to hit the iPhone 3GS until at least the release of iPhone OS 3.1. Augmented reality uses your iPhone’s camera, GPS, and compass to show virtual items in the real world. Put your camera in front of a restaurant and it will come up with info, or use it to find nearby Twitter users. The potential is endless.

yelp can do it, so can urbanspoon. and wikipedia. you've got to see the pictures in the articles. or better yet, watch the wikitude video at the bottom of this article.

this is really cool, except i have an ipod touch and not an iphone, so i'm missing the GPS and camera...