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Internet ad sales climb to $10.7 billion

Advertisers spent an unprecedented amount on online ads in the third quarter of 2013, reports the Interactive Advertising Bureau.

James Martin/CNET

Advertisers spent $10.69 billion on Internet advertisements in this last quarter, breaking an all-time record on ad spending, the Interactive Advertising Bureau reported Monday.

The trade group tracked a 15 percent year-over-year growth in ad dollars in the third quarter of 2013. In the third quarter of 2012, ad revenues totaled only $9.26 billion. The quarter's revenue was also a 4.2 percent rise from the second quarter of 2013.

"These figures reflect marketers' trust in interactive to deliver," Randall Rothenberg, CEO of IAB, said in a press release. "It is indicative of the digital age in which we live, and within which advertisers need to effectively reach targeted audiences wherever they are consuming information or entertainment -- often on several screens at once."

The IAB has been tracking quarterly ad revenues since 1999.