Digg

Digg is a technology news website that employs non-hierarchical editorial control. With digg, users submit stories for review, but rather than allowing an editor to decide which stories go on the homepage, the users do.

Read more, especially about the history and criticisms, at Digg.

The Digg effect, like the Slashdot effect, is a rush of visitors to a website referred from Digg's home page that appear like a distributed denial of service attack.

http://www.digg.com/rss/index.xml