Social Media How the ‘Most Interesting Man’ keeps Facebook fans engaged Beer brand Dos Equis’ character has been going strong since 2006. It’s using Facebook to ‘expand his legend’ with contests and fan participation. By Matt WilsonJuly 17, 2012 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.