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Social media is an integral part of people's lives. More than half of the world's 2.4 billion Internet users sign in to a social network regularly--a figure that continues to grow. More than half of online adults now use two or more social media sites; 71 percent of Internet users are on Facebook. This book surveys the history of social media, addresses the power of social media for positive change, describes the problems and controversies social media have caused, and suggests potential solutions to these issues.

Geared toward students and general readers, this accessibly...

With Ashton Kutcher's record-breaking "tweeting" more famous than his films, and Perez Hilton actually getting more attention than Paris, the actress often covered in his blog, the worlds of celebrity celebration and online social networking are pushing the public's crush on the famous and infamous into overdrive. Celeb 2.0: How Social Media Foster Our Fascination with Popular Culture explores this phenomenon.

Celeb 2.0 looks at how blogs, video sharing sites, user-news sites, social networks, and message boards are fueling America's already voracious consumption...