"Google has been stunningly adept at devising computer algorithms to help people search the Internet. But when it comes to building features for social networking, the company has been much less effective.
And changing that is one of the company’s biggest business challenges these days.
Google depends on having its finger on the pulse of the entire Internet, and maintaining its status as the primary entree to the Web. But as people spend more time on closed social networks like Facebook, where much of the data they share is off limits to search engines, Google risks losing the competition for Web users’ time, details of their lives and, ultimately, advertising."
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