With the latest version of Firefox being released (Firefox 11 or later) ,there are lots of Bugfixes and Feature additions (as usual) in this version. One interesting feature I found in this was a new mode in the Inspect Element (no need of Firebug) of a webpage.

How to Get the 3D View in Firefox.
How to Get the 3D View in Firefox.
- First of all download the latest version of Mozilla Firefox (Firefox 11 or later).
- Open the Webpage which you want to view in 3D. Right click on the Page.
- Now click on “Inspect element”.
- Now click on 3D button to get 3D view of your website. You can change the angle of your 3D view by simply dragging on the page.
in older versions :
in latest version (firefox 20+) - There you have it! Now click on the webpage and Scroll,Drag and do
whatever you want. The webpage will rotate to any angle you wish to.
Trick By : Adv.Tarun