The device features a built-in seller display and a detachable customer display
MasterPass is a new shopping solution that allows people to make purchases with any device without having to pull out a physical credit card.
A visual recognition system on trial at a Tokyo bakery can tell the different types of pastries they sell and automatically calculates the price.
Shoppers will be able to pay for in-store purchases using their online accounts with new mobile POS capabilities.
Google announces its mobile payments system Google Wallet, which will be bundled with Google Offers and 'Just Tap, Pay and Save' model.
Old Navy is running a pilot program using Apple mobile devices as a mobile checkout system in some of its stores.