For example: all these options in Foursquare default to on, which is really fine, since after all the service is about sharing your location. And linking it to your Facebook or Twitter account is a natural step for many. But at the same time it’s easy to fail to understand that one is providing a sort of path that strangers can follow from a face on the street to a name, other photos, current location, and a number of other things.

via “Girls Around Me” Creeper App Just Might Get People To Pay Attention To Privacy Settings | TechCrunch.