Snapchat's 'addictive' new feature lets users share information, but is raising privacy fears
GPS tracking apps are already on law enforcement's radar. "It creates sort of a flash mob mentality," said Michael Downing, a former Los Angeles Police chief who worked in counter-terrorism. He now works as an executive vice president for Prevent Advisors, a consulting firm. Downing says these apps have the potential to create what are known as "soft...