Filed under: iPhoneApple has patented the idea of using a mobile device "to acquire pricing information for a shopping list of products," which basically sounds like an official version of SnapTell Explorer -- point the camera at something and then get a list of available prices for it. But this patent goes a step beyond that. It also suggests that a "mobile device" user could scan a full list of products, and then possibly even buy them directly from the phone. I imagine that's something like walking around a grocery store, scanning items as they go in your cart, and then ch
