Similar to the networking category but what you are looking for here is just some SEO gain for your efforts. The positive effects of social bookmarking for publishers can be sites, blogs and other web sites is outstanding. Social bookmarking can introduce the sites that you own or you like to others with relevant tastes, can drive traffic to your site, and valuable back links.
Some social bookmark sites pass on link juice, while some use the NoFollow attribute. But do not let the use of NoFollow to fool you, we will only list full follow sites here.
The gain from these sites can be check using something like Alexia to check your linked in pages. This might take a few months to show up.