Over the course of the last several years, Apple has begun to take an intense interest in biometrics as a way to improve the security and accessibility of its devices. Apple purchased sensor company AuthenTec in 2012 and quickly incorporated its fingerprint-sensing technology into the Touch ID fingerprint scanner that debuted in the iPhone 5s. Touch ID marked Apple's first foray into biometrics, confirming user identity via fingerprint, but the company may have much bigger plans in mind for biometric sensors in future devices. Biometrics are said to play a key role in Apple's iWat
