"When you see what you want, you press a number that signifies “buy,” and the household computer takes over, places the order, notifies the store of the home ad

"When you see what you want, you press a number that signifies “buy,” and the household computer takes over, places the order, notifies the store of the home address and subtracts the purchase price from your bank balance." One-click online ordering in 1968. The only difference is that the info is stored on the client rather than the server. This makes it pretty clear how badly the Amazon patent fails the nonobviousness test.