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In a web browser, identifying the user through a session cookie, associating a session with a login, to which is attached a plurality of addresses and credit cards, of which one has been selected as a default to be used with one-click, then presenting a separate button next to the “Add to Cart” button which allows a one click purchase, which upon clicking will...

That specific implementation, in 1997, was patentable. And now anyone can freely do the same, if they went to, although we now know that isn’t really the best way to do it.

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