http://blogs.msdn.com/ie/archive/2009/11/13/my-favorite-ie-add-on-mouse-gestures-by-ralph-hare.aspx
Why do you need an add on for the browser to use Mouse Gestures
Mouse Gestures in Opera
Opera's amazing mouse gestures lets you do frequently performed browse operations with small, quick mouse movements. Some operations can be done with several different gestures. Try them both and see which one you like better.
With Opera they are built in along with many other useful options all in such a small file size.
