IBM's Internet Technology Group posted the sixth article in their series entitled Using open source software to design, develop, and deploy a collaborative website. In this article, IBM shows you how to create a very simple Drupal module to provide announcements on a website.
As mentioned in the Drupal forums:
IBM's articles have been a great help; technically speaking as well as to help me 'sell' Drupal to my bosses. IBM backing still goes a long way.
— Dries Buytaert