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Facebook growth continues, while LinkedIn hits 100 million users

Published on .

New York—Facebook's membership growth rate is reaching a saturation point, but the company is expected to continue to gain members in the foreseeable future, according to a new study from Internet marketing analytics company eMarketer.

The company estimated that 132.5 million people in the U.S. will be users of Facebook this year, with that number rising to 152.1 million by 2012. (Facebook claims about 600 million users globally.)

Meanwhile, professional social networking site LinkedIn announced that it has reached 100 million users worldwide, and is continuing to add 1 million users per week. LinkedIn filed for an initial public offering in January.

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