"The site took developers just a few hours to create after thousands began posting updates about where they were in the online social game Foursquare, which is based on a person's geo-location in the real world.- Times Online - PleaseRobMe website highlights dangers of telling world your location
In Foursquare, a free application accessed through mobile phones, people send messages to friends and other players, including via Twitter, to say where they are. The more updates people give, the more places they visit, the more points they get. In some cases players "check in" at their own or a friend's home, giving the exact address.
There are several similar online applications, such as Gowalla, Brightkite and Google’s Latitude service.
The developers, Boy Van Amstel, Frank Groeneveld and Barry Borsboom, said that they did not want to encourage criminals, only to remind people that sharing information on the internet carried risks. "
Time - Please Rob Me: The Dangers of Online Oversharing
UK Press Association - PleaseRobMe website makes a point
about.com - PleaseRobMe Demonstrates How Careless We've Become With the Web