Google URL Shortener

1. Using Google's browser, Chrome, go to goo.gl URL Shortener

2. Install extension, which will new icon to Chrome for 1-click url shortening.

3. Go to any website w/ long url. Click on icon and Presto!
http://brendanbowie.blogspot.com/ becomes
http://goo.gl/X9N0

BONUS: To generate QR Code for camera phones, just add .qr
http://goo.gl/X9N0.qr

More on QR Codes