is a great thing to do if you want to sniff your site to the world of search engine. that's why they called it a digg, is because you were digging information all over the internet and vote for good postings and responses. you have also the ability to vote for good writings and article. nowadays digg promote their site as social networking site where in you connect other people.
knol is an collerative dictionary. here is knol dictionary where every word, sentence or situation may have definition. wellcome to knol dictionary!
you can find sitemap in this page.
