A guy called Meow-Ludo Disco Gamma Meow-Meow took an electronic train ticket, extracted the NFC chip from it, and implanted it under his skin.

You, or an AI engine, could never come up with such a story, no matter how hard you tried. Real life will forever be stranger than fiction.

I for one, would love to do away with the trouble of fishing out my wallet every time I travelled or purchased something. Provided I could turn off the damn thing at will, to prevent tracking and misuse.