The Interactive Advertising Bureau (IAB) reported that internet advertising in the U.S. grew 10.6 percent to $23.4 billion. And the $6.1 billion fourth quarter (up 2.6 percent) was the first time Internet advertising surpassed the $6 billion mark. That said, the rate of growth declined both on an annual and quarterly basis. Even the 4.6 percent sequential growth over the third quarter was the lowest since 2002 (as was the annual growth rate).

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