People will find wrist bands laying on the ground and begin to wear them which will be one of the things that leads them to the next stage when they start talking about how we need a new system of passports that can't be lost, stolen , forged or faked in any way.

Guess what that will be?

They can't get under you skin without taking baby steps, and getting under your skin with an invisible tattoo is a baby step to implanting things in your skin.