Google grew its profit and revenue in the first quarter, ended March 31, despite a tough economic environment that is affecting online advertising spending, the company's main revenue engine.

Google reported revenue of US$5.51 billion in 2009's first quarter, up 6 percent compared to the $5.2 billion in revenue it generated in the first quarter of 2008, the company said Thursday.

Subtracting commissions and fees Google pays to advertising and distribution partners, revenue came in at $4.07 billion, slightly missing the consensus forecast of $4.08 billion from analysts polled by Thomson Financial.

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