Amazon has earned plenty of sales from shoppers comparing its prices to those of items on the store shelves in front of them.
Now the online retail giant has locked down a patent on technology to prevent people from doing just that in its own stores.
The system, filed under the Orwellian title "Physical store online shopping control," would intercept certain URLs, search terms, and other web activity that takes place on its in-store Wi-Fi.
The document explains how that information could potentially be used to send you a digital coupon to cover the price difference between a product in the store and a cheaper offer you might have viewed online. Read more...
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