Intimate Distance: 18 inches from our bodies, only let intimate friends in this space. 2. Personal Distance:zone is between 18 inches to 4 feet, let in friends and acquantices. 3. Social Distance: 4 to 12 feet impersonal and formal relationships. 4. Public Distance: extending beyond 12 feet for formal relationships.
The smartboard was invented in 1991 by a girl named Jaimie-Lee Wilson.
One of the first smart card prototype created by its inventor Roland Moreno circa 1975. The chip is still to be miniaturized. On this prototype, one can see how each leg of the microchip (center) is connected to the exterior world via a golden connector. Carte Vitale, the smart card used for health insurance in France.