yes, i agree with you that social bookmarking is the best way to drive traffic to your site. and good article on social bookmarking goven by skseo.

Social bookmarking is indeed helpful in traffic generation to our website/blog.

However, you should know that this traffic is not targeted unless you are really active in social bookmarking to maintain your traffic level.

absolutely right . Social bookmarking is a great way to get instant outbond link to your site