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.
Today more than 2.4 million SMART Board interactive whiteboards are used by over 50 million students and their teachers, and SMART products are used in more than 175 countries around the world. The UK was the first country to adopt the use of SMART Board interactive whiteboards on a national basis.