There has been a lot research on grasp detection and interpretation over the last 10 years. Touché is just a new sensing technique, not a new interaction paradi

There has been a lot research on grasp detection and interpretation over the last 10 years. Touché is just a new sensing technique, not a new interaction paradigm. For example, Raymond Veldhuis has been working on smart gun grips that identify their owner since 2003: http://www.sas.el.utwente.nl/open/people/Raymond%20Veldhuis http://www.sas.el.utwente.nl/open/people/Raymond%20Veldhuis