Groundswell: Winning in a World Transformed by Social Technologies, written by Charlene Li and Josh Bernoff, two longtime analysts at Forrester Research, is one of the best marketing books of 2008. The book includes 25 case studies and examples from organizations such as Carnival Cruise Lines, Dell, Unilever, and Lego, providing practical examples on how to tap into the groundswell, defined as “a social trend in which people use technologies to get the things they need from each other, rather than from traditional institutions like corporations.”

If you are interested in harnessing the power of social technologies like blogs, social networks, and YouTube this is the book to read. Gain insight into this this National Best Seller by viewing an excerpt of Charlene Li at Forrester’s Consumer Forum 2007.

Social Technologies: Your Customers Are Revolting