Launched: December 2004
Status: In a coma
Digg was a social news aggregator that let users put together there own collections of newstories. It was widely popular, but once Facebook and Twitter began growing their bases, the traffic left. The company tried to relaunch in 2010, but when the coding they were using messed up and brought a ton of bugs to the site, the users that were left quickly departed. Digg is still up and running in its current form, but is a shadow of what it once was.