E-commerce powerhouse eBay.com reached a major mile- stone in December 2012 with more than 400 million listings. According to year-end data, eBay.com sellers sell an auto part every second; a vehicle every minute; a pair of retro sunglass- es every two minutes. These plus its transactions through subsidiaries PayPal and GSI are powered by the most ef- ficient and innovative data centers on the planet. The data centers are not only critical to

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