Is it time for the CEO to Twitter? One tweet ahead of the crowd, Zappos.com CEO Tony Hsieh has taken the next step in frontline communication. By Christine KentJuly 9, 2008 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.