The History Of Social Media (1978-2012) [INFOGRAPHIC] - AllTwitter | Eclectic Technology | Scoop.it
From www.mediabistro.com - February 18, 2012 3:28 PM

Despite appearances, the history of social media traces back as far as the late 1970s, when computer hobbyists Ward Christensen and Randy Suess invented the bulletin board system (BBS)...