For sure! Social media sites like Stumbleupon, sphinn, digg get you more traffic and the targeted one. Many of the hot sites are no-follow still you can expect good traffic.
why not. This is a great source of help. Make Money Guide Earn 15% on all 2nd tier sales Market Health Products Affiliates
yea it does help in traffic..but normally that traffic does not convert....But still it might be useful in exposing your site to more people and thus prove to be useful
I wish someone could clearly explain the relationship between bookmarking and getting found in the search engines..
here is an example: google for the following keywords: biological sample management the very first hub is mine and it's #1 on Google and Yahoo for these keywords. Got it within 24 h after bookmarking