Googles image recognition technology spots landmarks
06/24/2009|9:58:34 AM|Popsci.com
The recognition engine automatically pinpointed unique landmarks by sifting through 42 million images from photo-sharing websites Picasa and Panoramio, as well as online travel guides.

See the full story at www.popsci.com/scitech/article/2009-06/google-analyzes-your-vacation-snaps-figure-out-where-you-were