see url: http://www.bbc.co.uk/news/business-42769096
No need to checkout after buying goodies from Amazon Store, just walk
out with your sannies and Kindle and the purchase price is deducted from
your credit/debit card automatically.
It will be a fine thing when they, or someone else, invents an app
which tops up your credit card automatically before you go in there.
That will really be revolutionary...:-)
A touch of transhumanism...makes the pound/dollar go further...:-)