You can inject one under your skin and no one will ever notice, Using short-range Radio Frequency Identification (RFID) signals, it can transmit your identity as your pass through a security checkpoint or walk into a football stadium. it can help you buy groceries at wal-mart. in a worst-case scenario- of you are kidnapped in a foreign countty for example- it could save your life.
are you agree with this thing?
In my country a guy using credit card to buy stuff is kind of a big deal,let alone microships implemented under your forearm, this idea might only be usefull in countries where people are well aware of this technology, because what is the pourpouse of it if you can't really use it anywhere to pay for your things, i know that in denmark where bitcoin is accepted there are people walking around with thier wallets implemnted in these microchips, and they use it to buy from vending machines.