SOCIAL BARREL - Aug 12 - A new study commissioned by CEO.com and Domo revealed the data in the 2013 CEO.com Social CEO Report that examines the social media routines of the top business leaders in America. 5.6% of CEOs in the Fortune 500 list have Twitter accounts, a 2% increase YOY. In perspective, ~15% of adults who live in the US have a Twitter account based on the latest Pew Internet report. 27.9% are active LinkedIn users. Facebook presence dropped from 7.6% to only 7%. Google+ is relatively static, with only 1% active of Fortune 500 CEO's.