During the fourth quarter of 2010, the company reported a revenue increase of 36% to $12.95 billion.The company's income increased by 8% to $416 million compared to $384 million in 2009. The company's cash flow operating expenses for the last 12 months in 2010 also increased by 6% at $3.50 billion compared with 3.29 billion in 2009.<ref>[http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9NDExMzM4fENoaWxkSUQ9NDIxNzkxfFR5cGU9MQ==&t=1 2010 4Q Performance]</ref>
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During the fourth quarter of 2010, the company reported a revenue increase of 36% to $12.95 billion. The company's income increased by 8% to $416 million compared to $384 million in 2009. The company's cash flow operating expenses for the last 12 months in 2010 also increased by 6% at $3.50 billion compared with 3.29 billion in 2009.<ref>[http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9NDExMzM4fENoaWxkSUQ9NDIxNzkxfFR5cGU9MQ==&t=1 2010 4Q Performance]</ref>
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According to Jeff Bezoz the company achieved their first $10 billion quarter after customers purchased millions of third generation Kindles. He said, " Kindle books have now overtaken paperback books as the most popular format on Amazon.com." <ref>[http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9NDExMzM4fENoaWxkSUQ9NDIxNzkxfFR5cGU9MQ==&t=1 2010 4Q Performance]</ref>
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According to Jeff Bezos, the company achieved their first $10 billion quarter after customers purchased millions of third generation Kindles. He said, "Kindle books have now overtaken paperback books as the most popular format on Amazon.com".<ref>[http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9NDExMzM4fENoaWxkSUQ9NDIxNzkxfFR5cGU9MQ==&t=1 2010 4Q Performance]</ref>