New Qualcomm in-display fingerprint sensor is Face ID for your fingertip

Unlocking your smartphone by pressing your fingertip against the touchscreen is about to go mainstream, with Qualcomm revealing its new 3D Sonic Sensor technology. The latest iteration of smartphone security, it puts an ultrasonic scanner right beneath the display glass, in what Qualcomm says is a much more functional and secure way to open your phone than rival biometrics. “The …