Does anyone here still actively using Social Bookmarking? So that, the only one that I'm still using is Digg.com. Any other social bookmarking site that is still effective and worth to submit, please advise.
Thanks

Yes in market many SEO companies are still actively using social bookmarking for fast index and crawl links in search engine. Delicious, Chime, Storify Reddit are very much useful social bookmarking website.

Yes, There are many social bookmarking sites of high page rank that proves very effective to improve the site rank likes stumbleupon, diigo, reddit, folkd, wists and pickmeweb etc.

Yes, every SEO guys are using bookmarking sites. Check pligg, sitejot these are good bookmarking site.

Social bookmarking can help you gain popularity online and increase exposure. You can use this powerful marketing tool to obtain information about your competitors, get quality one way links, and drive traffic to your site or blog.