"It started happening about three years ago, when I first got a cellphone," says Canadian Steven Garrity, 28, of Charlottetown, Prince Edward Island. "I'd be sitting on the couch and feel my phone start to vibrate, so I'd reach down and pull it out of my pocket. But the only thing ringing was my thigh." Though no known studies have analyzed what may cause spontaneous buzzing, anecdotes such as Gar