A network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies
The computer-generated simulation of a three-dimensional image or environment that can be interacted with in a seemingly real or physical way by a person using special electronic equipment, such as a helmet with a screen inside or gloves fitted with sensors
Replicates a traditional classroom experience with one unique exception: the "classroom" can consist of individuals or groups in up to three separate locations. Done through a two-way broadcast, providing live, interactive communication among the instructor and students regardless of location.