Amazon Go

Technology aside, shoppers are going to feel so weird doing this at the beginning.

There's already social anxiety when people pay for things and walk past a security guard, or a security barrier. Whether it's an airport, or a clothes store, or a ticket barrier, there's always a nervousness about being called out.

It's bad enough in the Apple Store where you can pay and walk out, this will take some real getting used to.

What they should feel weird about is the battery of security cameras that will watch your every move.