Hand signal communication is a special movement development method, and its effectiveness is measured by GraphoPen. 1.Hand signal communication is: - no spatial or temporal limits to its use - 100% customizable - typically has no side effects - can increase the quality of life - well scalable - multidisciplinary - requires only one digital device 2.GraphoPen is a pen integrated with 2 sensors when writing on a paper measuring: - Acceleration - Pressure - Time We attached the CVs of supporters.