Su.pr (aka Super) is StumbleUpon’s URL shortener, and my shortener of choice.. which I will explain why in just a bit. URL shortening services shrink normal URLs into a link that is, well.. shorter! For example, using Su.pr I can shrink the following URL: http://thesocialmediaguide.com.au/2009/09/04/removed-from-friends-list-facebook/ into, http://su.pr/1Nrvzg .....

  With millions of new pages being added to the web everyday how do you discover great websites that interest you? StumbleUpon is a free tool that discovers websites based on your interests, learns what you like and brings you more. Every time you click the Stumble button you are brought to...