Look Who’s Stalking: 10 Creepiest Apps For Phones, Facebook, More
Nearby Friends is a Facebook app that plots Facebook friends' check-ins -- both past and present -- on Google Maps. Though it can only make use of opt-in information posted on Facebook, it can slurp up a frightening amount of data including a user’s entire geographical history and check-ins that others have tagged them in. Thought your check-in to The Black Keys gig at Madison Square Garden was cool and harmless? Think again.