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Turn Your Phone Into A Subway Card
If you've ever visited one of the more technologically advanced Asian metropolises like Tokyo or Hong Kong, you're probably already familiar with the easy-to-use technology called RFID. It works like this - instead of paying cash for a bus or subway fare, you hold up a simple plastic card (or a chip embedded in your cellphone) to the ticket gate, and voila! You've paid and gotten on your way without pulling a dime out of your wallet.
Wouldn't it be great if that same technology worked back in the USA, dear reader? Well, now you too can embed an RFID reader inside your fancy iPhone, thanks to a little creative hacking and a DIY company called Adafruit Industries. Using a relatively inexpensive tool kit sold by the company, they've put together the nifty video above showing how to install your very own RFID card for use with your iPhone. Not all cities have RFID payment systems, but an increasing number of American cities accept it on their mass transit systems. Care to give it a try? Check out the video above for a tutorial.