US patent number 5,960,411

This patent, number 5,960,411 is a famous patent. This patented, controlled by Amazon.com, is the one-click patent. This patents storing customer credit card information so that users can purchase items with one click on a future visit. This was considered patentable, novel, and non-obvious. The workaround that some other companies have used is to require the users to click two buttons instead of the Amazon invented one-button system.