The document provides a brief history of social media from its origins in the 1970s to the present day. It traces the development of early systems like BBS and AOL, as well as the creation of the World Wide Web in 1989. Major early social platforms discussed include GeoCities, SixDegrees, and Friendster. The rise of dominant players like Facebook, YouTube, and Twitter is covered from 2004 onward. The document concludes by noting that as of 2013, over 2 billion people worldwide use social media regularly on platforms like Facebook, Twitter, LinkedIn, and Pinterest.