Yes, you need to be promoting your website regularly through social media. Social is increasingly becoming an important part of search engine optimization.

Social bookmarking is a good way to creating backlinks. But try to submit your sites only for high quality websites like folked, delicious and diigo.

Its not true..just you have to do high pr social bookmarking submission..

Its not truth. If you do high pr social bookmarking..then it will surely benefit your site..

From my personal experience i can say you that now social bookmarking is a very important part of webbing . Through it you will be able to get a huge numbers of visitors .

social bookmarking increases day by day but never drops down

social bookmarking sites are best for increase good visitors to your site.u can also get backlins via social sites like Facebook.Twitter and Google plus.

social bookmarking benefit....
quick index
quality back-links
help to traffic.

Yeah it is true.