More to explore:
History of the Social Media Business (infographic) #socialmedia
History of Social Media : 1978 - 2012. i remember making a geocities website as a kid, crazy to remember so much of this!
A History of the Business of Social Media #infographic #socialmedia
History of Social Networks #facebook
Historia de las #redessociales #socialmedia
A Brief history Of #SocialMedia A brief history of Social media stretching from the launch of Bulletin Boards back in 1978 right up to the explosion in Pinterest this year. http://webtrafficseo.co.uk/the-history-of-social-media