iPhone World.ca writes : Yell recently unveiled an update to their iPhone application that adds Augmented Reality. If you do not quite understand what that means, the best way to describe it is to think about an overlay on life that will mark shops, businesses, and points of interest. With the built in camera on the iPhone, the GPS, and compass, Yell built that overlay. Amazing. While you move your iPhone’s display around, it will mark various locations with yellow boxes. When you tap on one of the yellow boxes, information will be displayed on that location such as the name of the business, address, telephone number, hours of operation, and their website

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iPhoneWorld.ca: Yell creates Augmented Reality App for iPhone