Which online retailer first introduced the groundbreaking 'one-click' purchasing patent for books that revolutionized e-commerce in the literary marketplace and later licensed it to other companies?

The publishing industry has undergone dramatic transformations with the rise of digital platforms and e-commerce. Major online retailers have significantly changed how readers discover, purchase, and consume literature. This transformation has reshaped author careers, publisher strategies, and reader experiences. How well do you know the pivotal moments in this literary e-commerce revolution?

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Amazon (patent filed in 1997)
Barnes & Noble (patent filed in 1999)
Borders Books (patent filed in 1998)
Apple's iBooks (patent filed in 2001)