Microsoft, Yahoo team up to ding Google with Bing

(AP) -- Microsoft Corp. has finally roped Yahoo Inc. into an Internet search partnership, capping a convoluted pursuit that dragged on for years and finally setting the stage for them to make a joint assault against the ...

Web ad revenue grew in 4Q but slower than in past

(AP) -- U.S. Internet advertising revenue climbed in the fourth quarter in spite of the poor economy, but the growth rate was sluggish compared to previous years, according to an analysis released Monday.

Google introduces ads to Google News

Google has introduced ads to the results of search queries on Google News in a move aimed at turning the news aggregation site into a money-making venture that may raise the hackles of newspapers and other media outlets.

Ad click-through rate lower than previously thought

The rate of ad clicks from sponsored and non-sponsored links was reported in a recent study conducted by researchers from Penn State and the Queensland University of Technology.

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