In the virtual world, popular website means more traffic,more fans, more likes, more shares which monetize your website and get more money.
I will support you to do the social bookmarking for your website.
It helps search engine ranking because social bookmarking programs dofollow backlinks. You get a plus point in your ranking for link signal and social signals. The interaction on your pages (including social sharing) means that your content is important!
How Social Bookmarking works?