Six Degrees becomes first social network to allow its members to create a profile and "friend" other users. It was purchased by Youthstream for $125 million dollars in 2000 and the site was shut down the following year.
Myspace is launched and allows users to customize their pages, blog, post music, pictures, and post private messages. It became the most popular social networking sight in the world.
Mark Zuckerberg, Eduardo Saverin, Dustin Moskovitc, and Chris Hughs create Facebook a Harvard only network, however, it quickly grows into a world wide phenomenon of social networking sites.
YouTube is created by former Paypal coworkers, Chad Hurley, Steve Chen, and Jawid Karim who post a 19 second clip as the first video upload, and the site quickly becomes a sensation now boasting several billion users.
Jack Dorsey brings his idea for Twitter to podcasting company Odeo and twttr is born. After being wiped out by Apple's podcasting platform, the creators buy it back from their investors and eventually experience explosive growth.
Evan Spiegel and Bobby Murphy create Picaboo, a picture sharing site that sends photos that eventually disappear. Picaboo became Snapchat in 2012 and grew into a mutli million user photo, video, and story telling social media site.