Danah Boyd, a social-networking expert, has even argued that Facebook, with its hordes of members around the world, is now so embedded in people's lives that it should be regulated as a utility.

社交网络研究专家丹纳·博伊德(Danah Boyd)曾经甚至提出由于facebook在全球有众多的用户，而且已经深深影响人们的生活，所以必须做为公共设施来加以监管。

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Mari is a leading Facebook marketing expert and one of the top 10, overall from last year.

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Sandi is a Facebook marketing expert and works on that fine line between social media and spiritual inspiration.

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Child protection expert Jim Gamble said Facebook's age policy was difficult to check.

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