<http://schema.org/description>
"Apple on Tuesday was granted a patent that uses facial recognition technology to control a computing device, like an iPhone, iPad or Mac, allowing for a more secure and productive operating environment."^^<http://www.w3.org/2001/XMLSchema#string>
<http://appleinsider.com/articles/13/12/03/future-iphones-may-unlock-hide-messages-based-on-a-users-face>