<http://schema.org/description>
"Touchscreens may have the  virtue of replacing rows of buttons, but pushing your finger on a  smooth piece of glass lacks the tactile satisfaction of operating an  honest-to-goodness button or knob."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.autofieldguide.com/articles/touchscreens-that-touch-back(2)>