...or at least the functional part of it.
The true story of a man who had the chip from a tap-and-go farecard implanted in his hand so he could pay his fare by waving his hand instead of a card. For a while, anyhow.
http://nowiknow.com/the-guy-who-named-himself-meow-but-failed-to-turn-himself-into-a-cyborg/
http://nowiknow.com/the-guy-who-named-himself-meow-but-failed-to-turn-himself-into-a-cyborg/