Digg

The main way that Digg can be part of a good SEO strategy is in driving a lot of traffic to your site quickly by getting in the top ten read articles on the first page of the site. Everything is submitted and voted on by the Digg community. After you submit content, other people read your submission and Digg what they like best. If your story is popular and receives enough Digg vote, it is promoted to the front page for the millions of visitors to see.