Foursquare Checks in to Almighty Security Row, Loyalty to Users Questioned

Given the tribulations that both Facebook and Twitter have suffered recently over the thorny subject of privacy, one would think that other social media sites have learned from the big guys' mistakes. Foursquare, however, has just suffered a security lapse, as reported in detail by Ryan Singel on Wired.com.

In a nutshell, the story is this: a white-hat hacker contacted Foursquare last week, claiming that a security hole on the site was making users' details public, regardless of how they'd...