<http://schema.org/description>
"A Norwegian start-up says its ultrasound chip intended to bring gesture control to mobile devices like smartphones and tablets could be in production next year."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/Technology/2013/10/10/Sound-waves-could-bring-gesture-control-to-mobile-devices/UPI-48531381443522/>