Think fast: How many times a day do you pick up your phone to look at something? Unless you live in the tundra or have far more self-control than most, the answer probably falls somewhere between ‘quite a few’ and ‘more than any sane person could count’. Assuming you keep your device properly secured, that means you’re doing an awful lot of unlocking – be it with your face, your fingerprint, or the code you tap or swipe onto
