<http://schema.org/about>
"Nest Labs develops a super-brainy alternative to conventional smoke detectors that can be controlled via smartphone or the wave of a hand."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/protection-safety/blogs/nest-protect-a-smoke-detector-with-added-smarts-less-shrieking>