AT&T has become the first U.S. carrier to make Yahoo's search engine the default on its cell phones, the companies said today.

AT&T will offer, through its mobile Internet portal, a collection of Yahoo's oneSearch mobile Web services including links to news, financial information, weather, Flickr photos as well as Web search via the phone.

AT&T's YellowPages.com will deliver local search information to customers as part of the new deal.

Yahoo announced partnerships with 60 carriers worldwide to offer OneSearch services on mobile phone networks serving close to around 800 million subscribers.

"Our customers want mobile search to be convenient and intuitive, and Yahoo oneSearch is an important step for us in delivering that level of experience to them," said Michael Bowling, Vice President of AT&T.

Yahoo will also be providing the advertising that appears along with search results.

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