<http://schema.org/description>
"Imagine a high-tech glass that you could change from transparent to frosted with the flick of a switch...  You could use it for home windows (eliminating the need for blinds), for store fronts (at night), and even for bathrooms (requiring users to stretch"^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/super-smart-privacy-glass/>