In the world of the Web 2.0, it seems that online tools have really become a central part in which people work with the Internet. One of the really great tools developed specifically for collecting and classifying all the information we find during regular browsing sessions, Zootool. A beautiful interface and simple operation make this site a truly useful addition for any regular Web user, but even more for hardcore information and data fanatics.
Have a look and try it out. You may just find it the next best thing since a bunch of little Post-It notes all over the place.