The third prong in a grounded outlet is connected to a wire that runs back to the breaker panel and to a conductive rod driven into the ground. The purpose of the third prong (the ground) is to protect you and protect your wiring.
Internet History -- One Page Summary. The conceptual foundation for creation of the Internet was largely created by three individuals and a research conference, each of which changed the way we thought about technology by accurately predicting its future:
The ancestor of the Internet was the ARPANET, a project funded by the U.S. Department of Defense (DOD) in 1969. The ARPANET was both an experiment in reliable networking and an effort to link DOD and military research contractors, including the large number of universities doing military-funded research.