Our latest Cool Friend Diane Hessan is the CEO of Communispace, a social networking company that is a “pioneer in creating online communities to help marketers deeply engage customers.” The company has built and managed more than 350 private online customer communities for an impressive collection of Fortune 500 companies. Erik and Diane discuss the company’s business, social media, and Tom, whom Diane knows well. Given the business she’s in, naturally there are many ways to find Diane online: Twitter, Twitter.com/CommunispaceCEO; blog, Blog.Communispace.com; and website, Communispace.com being only three among them. And, be sure to read her Cool Friends interview.