How to install Firefox 20.0 correctly in Ubuntu Or Linux Mint

 
Here is the Resource Page:http://www.ghacks.net/2013/04/02/fire...

Install:
sudo add-apt-repository ppa:mozillateam/firefox-next
sudo apt-get update
sudo apt-get install firefox

The Whistle Noise in the Video is my Dog Sleeping on my Desk Snoring next to me while I do my Linux Work lol......