Dries Buytaert is chief technology officer at Acquia, a commercial open source software company providing products, services and technical support for the open source Drupal social publishing system.

FORBES: How Al Jazeera Successfully Managed Through The Turmoil

In the mid nineteen-nineties, Xerox built a system called Eureka that was a kind of social network where technical representatives could swap ideas on how to install and fix machines around the world.

FORBES: Workplace of Warcraft