https://www.commondreams.org/headline/2011/12/12-3 Вот это наглость! > The free application allows users to go into real-world stores and scan the barcodes of products that they want, using their smartphone's camera. The app then displays the cheapest price for that same product if bought via Amazon, and also allows the user to make the purchase directly from the online retailer. > As Amazon doesn't have to bear the real-world costs involved in running bricks-and-mortar retail outlets, its prices are often cheaper than those of local stores. > This Saturday, Amazon offered Price Check customers an extra incentive: up to five dollars off products whose barcodes are scanned using their app. The effect of this is to encourage consumers to use their local brick-and-mortar stores as "showrooms," while not spending money supporting them.