Phantom cell phone vibrations: an attempt at an explanation here.
While driving home late one night (sober, mind you), I came to a stop after getting off the expressway ramp. Just as I was starting to pull into the intersection, my cell phone vibrated in my pocket. I braked to pull the phone out of my pocket just in time to watch another car come speeding through the intersection. If I had not braked, I would have been t-boned on the driver's side for sure. I never saw him coming. Of course, the phone registered no call, no message, no e-mail, no text, no nothing; just a phantom vibration. It is a mysterious universe we inhabit, thank God.