03/18/2010 05:12 am ET Updated May 25, 2011

5 Best Social Media Books

Computerworld - When the Internet arrived for mass public consumption in the mid-'90s, a whole new world of advertising to and communicating with customers and potential customers cracked open its gates. Companies of all sizes began creating Web sites and putting their products online; some companies, such as and, existed only on the Web.

More recently, we saw blogs, wikis, virtual worlds and other online communities turn customer communications into a two-way street. But perhaps the most disruptive changes have come in the last couple years as social media marketing began in earnest, with companies directly communicating back and forth with their customers online through social media networks like Facebook, Twitter and MySpace.

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