PRIOR ART
Review of Academic Research in Tablet Computing
part of Pursuing the Paper of TomorrowTouch tools Chris Harrison
http://www.chrisharrison.net/index.php/Research/Touchtools
Kun-Pyo
Dpi.kaist
2010… how users manipulate deform,fable disappear as input devices
https://dl.acm.org/citation.cfm?id=1753572
Ken Hinckley
Microsoft
https://www.youtube.com/watch?v=9sTgLYH8qWs
Pen writes touch manipulates
Dan Vogel
Conté: Multimodal Input Inspired by an Artist's Crayon
http://cognitivemedium.com/magic_paper/index.html
http://worrydream.com/MediaForThinkingTheUnthinkable/