Digg: This is the manifestation of a good idea: let the reading community determine what should and should not be read, and where it should go.
(1) The user submits a story to the “hardware” category. (2) The story is then filed into the “dig” area of hardware. (3) Users on the site see the story, and several of them click “dig this story” — giving the article 15 digs. (4) Due to its popularity, digg removes the story from the dig area, and promotes it to the home and category pages.