Here’s an interesting article on how to increase organic traffic to your website by writing relevant and unique articles for readers and posting them on the social bookmarking sites.
The content can comprise pictures, videos, audio or quotes from renowned personalities, your stuff should be attractive enough to grab your audience’s attention. Be specific and precise, but interesting. It might take you long to create good content, but it is worth it. Investing an hour or two hours a day in link building via social bookmarking sites can dramatically improve the ranking of your website on the search engine results page. Search engine spiders crawl all popular social bookmarking sites and index them regularly. The steady link building on social bookmarking sites with high page ranks will increase your chances of being indexed by major search engines.
Read article at the below link to know how social bookmarking sites can lift the organic rank of your website for search engines such as Google: Why You Should Use Social Bookmarking for SEO?
[This post, by Richa at The Web Company.]