Many new cars have push-button ignitions – no need to insert a key into a lock anymore.
But you still have a key.
Well, a fob.
An electronic transmitter that you keep in your pocket or purse. It transmits a signal to the car that unlocks it for you and also lets you start it without having to take the fob out of your pocket or purse.
But fobs may be gone soon, too.
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