want to know about website on desired topics. That too away in a click. StumbleUpon is the solution for guys who have wasted precious time on Google with no effect. And you may ask what is this “Stumble Upon” thing does. Here is what stumble upon is, it’s a browser plugin for Mozilla Firefox and chrome. It cycle through stumble upon members favorite sites each time you click on the stumble upon icon on the toolbar. Installing Stumble upon for Firefox is very simple. First go to HTTP://addons. Mozilla.com and type in the search item as stumble upon. once you click on the add to Firefox button, you need to restart your browser to start using the add on. Once it’s restarted you will be taken to their home page where you need to log in or sign up. There is also a Facebook Log in with which you can use it as a Open ID. So study things faster than ever with your PC, with this little plugin.