• Google News/AP, Tuesday, September 18, 2007 11:45 AM

Google is expanding its highly successful AdSense network to mobile devices in 13 countries, including the United States, England, Germany, Spain, China and India. With the expansion announced Monday, any Web site accessible through a mobile Web browser will be able to participate in Google's vast advertising network.

The mobile ads will be tied to a wide range of content being scanned by consumers on a cell phone or some other kind of portable device. Someone reading about a football game on a mobile phone, for example, might see an ad for sports equipment or memorabilia. If a consumer clicks on an ad, the advertiser pays Google a fee that is shared with the publisher.

Some analysts believe mobile ads eventually will become more even more lucrative than marketing through traditional PCs connected to the Internet.

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