Great post infovore! Here's another video from Amal Graafstra's site https://dangerousthings.com, great example of application, he starts his motorcycle with his implant! For those of you interested in the technology but a little put off by the notion of injecting things into your flesh, they offer wristbands with the same capabilities! :)
https://dangerousthings.com/shop/elite-nfc-wristband/