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.
According to Wired' s David Pierce, the device was likely invented as the Smart S1 by Chic Robotics, a Chinese technology company associated with Zhejiang University, founded in 2013. The company released the Smart S1 in August 2014, and the device became a popular success at the 2014 Canton Fair trade show.