From the page:"Furl is a tool for saving, sharing and finding information (you know, the pages you want to save for future reference but then can never find again)" I think I will give this a try.Looks very handy.
This site got so many other features along with the bookmarking features which makes it complicated to use. I have found this site BookmarkGlobe.com which is simple and easy to use and serves my purpose.
Like del.icio.us, Furl lets its users bookmark and share web content. However, Furl also stores a private copy of every marked page to insure against broken links.
An excellent DoFollow resource. Store and tag your bookmarks and get some Google juice sent back to them, over time (just be sure to choose the right categories when you add).
I now use Furl and Delicious together: http://www.contentious.com/archives/2005/04/20/furl-delicious-almost-perfect-tog ether/
But I use Delicious most of the time. If I tagged a webpage in Delicious that has since gone offline, I can sometimes find a cached version via a google search, or find it at http://archive.org