It's not free method but very effective (and very cheap). If you are sharing something interesting on your page it can go viral. But how to start the snowball rolling? This is main problem - initial traffic (boost) for your blog or post. And there comes Social Bookmarking!
But manual submitting can really be a time-consuming process with you being required to create an account in each site before submitting your page to them by yourself. It's better to outsource this task. What if you could submit your website to over 300 biggest social bookmarking websites for less than $5? If your content is interesting your website will go viral easily. Submitting to Social Bookmarking Sites like Digg, Stumbleupon puts your blog/article out there in front of millions of people, increasing your visibility ten notches and getting you more branding. As more and more people read your bookmarked blog/post and vote for it, the more popular it becomes & the traffic to your site increases. Social bookmarking can also bring more additional backlinks to your page. Each of these popular Social Bookmarking sites see tremendous volumes of traffic on a daily basis, if your blog/website has good content on it, chances are that several of these users will link to your content, thus getting you relevant links which will ultimately lead to an increase in your rankings in the google. You can find many social bookmarking services on Seoclerks, for example:
Here are my traffic stats after purchasing one of seoclerks social bookmarking gig: