wjousts writes: Smart phones include geotagging features that many people aren't aware of MIT Technology Review reports. And it's not just in the obvious places:
For example, by looking at the location metadata stored with pictures posted through one man's anonymous Twitter account, the researchers were able to pinpoint his likely home address. From there, by cross-referencing this location with city records, they found his name. Using that information, the researchers went on to find his place of work, his wife's name, and information about his children.