New software can figure out where you are positioned based on analyzing a photo in near real time. Simply send it a photo from your camera-phone and the software will match the image to a database of locations — such as buildings in a city — and give you back your coordinates. The software is potentially more accurate than GPS.
Social tagging: Artificial Intelligence > Mobile Computing > Travel > Wireless Technology
More accurate? sure, in the city.
More useful? In my opinion, not for a long time.