Social bookmarking is a powerful tool in promoting a website. Best Social bookmarking site delicious.com plurk.com
Social bookmarking sites allow you to store, tag and share links. You can share these links with friends and colleagues. You can also access your links from anywhere in the world (as long as you can connect to the internet). So, if you find a page that is of interest you can easily save it for future reference or share it with other people, simply click on one of the Social Bookmarking links to add to your list. Bookmarking site youmob.com 5 diigz.com 5 cwustrings.com 5 flstar.org 5 karmalynx.com/ 4
Haven't really messed with social bookmarking however, I heard a lot of good things about digg though.