Double the sales of the kindle ebook reader Britain has failed to stop the Amazon - the largest online retailer in the world - has reduced income. Said the Seattle-based group sales rose 35% to £ 11 billion in the last quarter of 2011 as the number of turns that are sold worldwide rose 177% in the nine-week period. However, net income fell 58% Amazon to £ 112.4m despite strong sales as investments in new products and expansion. Warned of possible operating loss in the current quarter. In the UK, twice as many to order for Christmas last year, so the best-selling products in 2011 as a whole. After launching the latest version of the device, e-book sales in the UK almost five times higher than the previous year. Amazon said it took orders for more than three million items on the busiest day of the Christmas season with "Cyber Monday" - December 5. Rate within 35 items ordered every second over a 24-hour period compared with 2.3 million items in the order the busiest day of the year 2010. Seven UK Amazon fulfillment center that sent more than 2.1 million items in a 24-hour, amounting to 1,124 tons of goods, such as average delivery truck left the central Amazon once every 2 minutes and 45 seconds. Most popular products of the same Amazon DVD version of Harry Potter and the Deathly Hallows Part 2. Now That's What I Call Music! 80 also appear in the top ten Christmas best seller. New kindle fire device, which has a touch screen and can stream movies from the internet, is the best selling product in the world. Analyst say it is not so much money from selling ebook reader, rather than relying earn selling books on the device.