Sunday, June 2, 2013
They've unveiled an electronic 'tattoo' that sticks to your skin. It has a circuit so gadgets can identify you.
The electronic tattoo shown off at a conference this week
Another experimental idea is a password pill you swallow - that transmits a signal to devices outside the body.
The pill doesn't need batteries because it's powered by stomach acid - but Motorola bosses say it won't be on sale any time soon.
The password pill Motorola is experimenting with
So you'll have to keep remembering those passwords for now!
