On Christmas Day, for the First Time Ever, Customers Purchased More Kindle Books Than Physical Books SEATTLE, Dec 26, 2009 (BUSINESS WIRE) -- Amazon.com, Inc. (NASDAQ:AMZN) today announced that Kindle has become the most gifted item in Amazon's history. On Christmas Day, for the first time ever, customers purchased more Kindle books than physical books. The Kindle Store now includes over 390,000 b