Social Media The history of social networking—in one infographic Did you know the first e-mail was sent in 1971? 1971! Forty years later, social networks have changed the way we communicate. Take the journey with this infographic. By Michael SebastianFeb. 28, 2011 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.