· If you're already using Ubiquity you'll notice an information bar with a "Subscribe" button in the top of this page. (Install Ubiquity from Mozilla Labs if you haven't already.)
· Click on the "Subscribe" button.
· A new page with the Command's source will appear.
· Click "I know what I'm doing. Subscribe to it!". (We guarantee there is no malicious code. If you're still worried, view the source code.)

· Select the URL you want to shorten.
· Now open Ubiquity and type the letter "u" (no quotes).
· Press "enter" or type the URL to shorten.
· Now your original URL will be replaced by a shortened URL using urlShort and copied to your clipboard.