Douglas Engelbart, inventor of the computer mouse, is proclaimed as a Silicon Valley visionary. Until now his message has been limited to the High Tech elite. His hidden legacy lies with his ideas that laid the foundation for the shift from the Industrial to the Information Age. The Engelbart Hypothesis clearly articulates his message for the first time in 50 years–– shedding light on the secrets long ignored about the potential of the internet, social networking, and a method for harnessing collective intelligence. By understanding this framework, large groups of people can unleash their full potential to augment natural intelligence for collaborative problem-solving.