BRIESELANG, GERMANY – SEPTEMBER 04: A worker pushes a cart among shelves lined with goods at an Amazon warehouse on September 4, 2014 in Brieselang, Germany. Germany is online retailer Amazon’s second largest market after the USA. Amazon is currently in a standoff with several book publishers over sales conditions and prices for e-books, and hundreds of authors in the US and Europe have written letters in support of the publishers. (Photo by Sean Gallup/Getty Images)