<http://schema.org/about>
"One of the knocks on folding Murphy beds is that, despite their ability to open up some extra floor space, you have to keep their footprint clear so you have room to fold it down again when it's bed time; this leaves you with a folding bed, but a blank"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/sleeping-beauty-sofa-murphy-bed-combination.html>