Google's search engine runs on 100, 000 cheap servers and a form of free Linux software.

FORBES: Yin Yang, Big Bang

Coleman is one of dozens of new barbarians plotting the Cheap Revolution, the wholesale shift by corporate customers and techmakers to cheap chips and open-source (often free) software such as Linux.

FORBES: The New Barbarians

Rubin's team is building custom mobile-phone software atop the free Linux operating system that will bind the phone tightly to Google's online applications and advertising services, sources say.

FORBES: Will Google Crush The iPhone?