Does Social Bookmarking really helps??

[Brackwom]

Yes, social bookmarking helps to rank your websites. This is to build your presence. when you add social bookmarks it helps search engines understand your site.
They establish a friendly presence for their brand and generate traffic to their website by sharing content.
Tumblr, Reddit, Stumbleupon, and Digg are a few popular social bookmarking services that can help you get some extra traffic by a comment with a link.