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Additionally, users may join common-interest user groups organized by workplace, school, hobbies or other topics, and categorize their friends into lists such as "People From Work" or "Close Friends". Additionally, users can complain about or block unpleasant people.
Because of the large volume of data that users submit to the service, Facebook has come under scrutiny for its privacy policies.
(an exchange for privately held companies' shares), Facebook's value was billion.the benefits are many." Six days after the site launched, Harvard seniors Cameron Winklevoss, Tyler Winklevoss, and Divya Narendra accused Zuckerberg of intentionally misleading them into believing that he would help them build a social network called Harvard They claimed that he was instead using their ideas to build a competing product.In late 2007, Facebook had 100,000 business pages (pages which allowed companies to promote themselves and attract customers).These started as group pages, but a new concept called company pages was planned.