A password pill?

• Position: TECHNOLOGY - Biometric authentication - Brief article

Whether for Facebook, Twitter, or a smartphone, passwords can be a pain to remember. But Motorola, which was recently bought by Google, has a solution in the works that's literally as easy as popping a pill. When swallowed daily, the edible password vitamin (actually a tiny chip) will use the acid in your stomach to turn itself on; then it will send signals to your phone and computer that let you in without providing a password. Other kinds of biometric authentication--those that essentially turn your body into a password--are...