Intel and Yahoo! Hit the Marketing Gas

Tech's biggest players are launching massive ad campaigns to hold on to the hearts and minds of consumersand increase market share

Yahoo! is spending millions to tell Internet users that the grass is greener on its homepage. On Sept. 21, the No. 2 search engine kicks off a multimillion-dollar advertising campaign featuring, among other things, a gardener who learns of a bona fide miracle-grow formula, thanks to the company's social search site.

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