Any tips on how to use Digg, StumbleUpon, del.i.cious and others for marketing your website?

There are so many bookmarking site and i am confuse which site are the most effective in bookmarking. i dont want to waste my time on those site with poor affiliation when it comes to SEO.

I got the popular social bookmarking webistes like digg,propeller etc.So give me the new list?

I have a multitude of unorganized bookmarks which I can never find again. The problem is that I get easily sidetracked. I see a link within a link within another link…Obviously, this link to link results in a multitude of open tabs, and I am no nearer to reaching the results of my initial search. [...]

Could someone please explain what social bookmarking is? How is it similar to and different from blogging and a wiki?

We are working on a SEO campaign to create inbound links to our site. What are the best sites like Digg and Slashdot to use for a technology company website?