any Amazon member with a registered selling account can create authentic looking pages and list items 'for sale' online.
Consumers need only take a screen capture of the page and show it to a cashier at checkout in order to request the price match."
If a print out is all that's needed then anyone with knowledge of ctrl + shift + i or photoshop or paint or using a photo copier can do this easily.
I think there's a world market for about five computers. -- attr. Thomas J. Watson (Chairman of the Board, IBM), 1943