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.
1970 - Dr. Kunitaka Arimura of Japan filed the first and only patent on the smart card concept. 1974 - Roland Moreno of France filed the original patent for the IC card, later dubbed the smart card. 1977 - Three commercial manufacturers, Bull CP8, SGS Thomson, and Schlumberger began developing the IC card.