Digg helps you when you need to share with the world something that you consider is interesting, cool or simply amazing. Digg.com is what is commonly called a social bookmarking network. You can Sing up there for free and then start publishing articles, stories and any thing you think deserves being published. As Digg you can find sites like Twitter, Faves and Mixx, which are reviewed in the next links:

http://hubpages.com/hub/www_mixx_com
http://hubpages.com/hub/www_twitter_com
http://hubpages.com/hub/www_faves_com