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Researchers hack phone vibration motor to act as a microphone
On the list of things that might be eavesdropping on your day-to-day conversations, the tiny motor that makes your phone buzz isn't necessarily the first one that comes to mind. But that is exactly what happens with the VibraPhone -- a proof-of-concept device created by two researchers from the University of Illinois at Urbana-Champaign to show that the motor in your smartphone or fitness tracker can be re-wired to act as a serviceable microphone.
