1) Censored work 2) Online news aggregator 3) Reddit alternative 4) Site akin to Reddit 
Digg is a news aggregator with an editorially driven front page, aiming to select stories specifically for the Internet audience such as science, trending political issues, and viral Internet issues. It was launched in its current form on July 31, 2012, with support for sharing content to other social platforms such as Twitter and Facebook. Former...
A community-powered internet link recommendation system. Furl offers a similar service.
Digg is an online news aggregator aiming to help you find, read, and share interesting online stories.