Why fingers make handy, if not foolproof, digital keys
In this Feb. 25, 2014 file photo, theSamsung Galaxy S5 is displayed at the Mobile World Congress in Barcelona, Spain, Tuesday, Feb. 25, 2014. Leading tech companies are increasingly nudging consumers to use their own fingers, faces and eyes as digital key to unlock phones and other gadgets. But there are downsides: Hackers could still steal your fingerprint, or its digital representation. And police may have broader […]