Stephen Shankland of CNET.com has been writing a number of stories about "geotagging"--that is, organizing photos by location. This can be done manually on a site like Flickr; you drag your photos onto a map and thereafter they stay associated with that location. This can be handy if you're looking for pictures of, say, the U.S.S. Constitution, it makes as much sense to look for photos by location as by keyword. And, if the keywords aren't obvious or unique, it may make a lot more sense.
That said, manually tagging things is a pain and, if one doesn't have obvious geographical features in the photo, it may be hard to locate them exactly on a map. So--how about marrying GPS data to the photos? It's a sound idea, it's doable, but it requires a slightly convoluted workflow as the technology stands today. … Read more