Social media has rapidly evolved into an integral part of marketing and public relations strategy. Just as having a company website has become standard operating procedure over the past two decades, utilizing social media channels has now become an increasingly essential platform for companies to communicate their messages to the general public and other audiences. What about the CEOs of those companies? Is there a place for them on Facebook FB +1.44%, YouTube, LinkedIn LNKD -0.56% and Twitter, and is this helpful or harmful to their company and role as CEO?