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.
Electronic Technology Â» Computer Peripherals. SMART Technologies, Inc. designs, develops, and sells interactive technology products and solutions. it offers education and business solutions including software, interactive displays, whiteboards, hardware, and training and services. The company was founded by David A. Martin and Nancy L. Knowlton in 1987 and is headquartered in Calgary, Canada.