"We've already seen some signs of this on amazon.com (with prices on offer to different customers varying for the same product, presumably on the basis of the customer's willingness to pay more for goods in prior transactions)."

"John Lewis has joined the growing list of retailers trialling QR codes with the launch of a virtual shop in Brighton. All of the retailer's ‘top 30 things to buy for Christmas’ are included in a window display at a branch of Waitrose."

"Jeff Bezos’ new tablet, the Kindle Fire, is cheap, pretty, and puts Amazon in perfect position to take a bite out of Apple—and every online transaction you make."