Wearable technology has taken off in many directions, once considered impossible. The Wearable device landscape has come a long way from the earliest wrist-sized calculators or the first Bluetooth headsets.
You think body hacks are cool, but aren't quite ready to get that electronic implant, then a set of RFID-impregnated fake fingernails might be a good compromise. It's certainly could be a fashion trend one day.