Launched: 1999
Status: Almost dead 

Xanga was one of the first blogging platforms to hit the mainstream back in 1999. It allowed users to upload weblogs, audio, photos, and a profile. Not shabby, huh? So what happened? Well, just as Facebook killed MySpace, MySpace helped kill Xanga, along with the help of Wordpress and Blogger. Xanga is still around, but its usership has been declining ever since 2007.