SAN FRANCISCO (AP) — Google plans to hire more than 6,200 workers this year in the biggest expansion yet by the Internet’s most profitable company.

While President Barack Obama is expected to encourage more hiring by businesses during his State of the Union address Tuesday night, it is not yet clear how investors will react.

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Google Inc. work force grew by 23 percent last year and some investors may be leery of expansion plans that could crimp earnings.

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The company outlined its plans Tuesday with The Associated Press without providing specifics beyond its pledge to hire more people than it did 2007 when it added 6,131 workers. Google began this year with 24,400 employees.

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