What makes Drupal special?

If you hear about drupal a lot nowadays maybe this video help you to understand why??? In this video you can find the answer, the video is from 2008, but it still rocks on 2012!!! But let me tell you something: Drupal it's so awesome!!!


Here is the video's description from youtube:

This video from the Sun Developer Network looks at the the Drupal content management system used by the new Sun HPC Portal. Downloaded over 600,000 times, and deployed on thousands and thousands of sites, Drupal, the PHP based, Free and Open Source content management system is really catching on. Learn what you need to deploy, customize and extend core Drupal functionality - without a lot of headaches. It's rock solid on PostgreSQL and MySQL databases and has a NetBeans plugin for PHP development.