StumbleUpon can now be used with Internet Explorer, but I prefer Firefox. Click on "Sign Up". You
will be sent to download the Firefox extension. After a quick restart of the Firefox browser, you will
notice the following at the top of the browser:
Stumbleupon will walk you through setting up your account preferences as soon as Firefox has
loaded back up.
Now enter your target web site affiliate link to your browser and when the page loads, click Thumbs
Up (I like it) and select the business category.