<http://schema.org/about>
"In homes where saving space is key, shelves have to accommodate everything from  televisions and stereos to photos and the occasional wine rack. That means they need to be versatile, and German designer Philip Ganter's"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/an-original-system-lets-you-design-the-shelving-you-want-no-tools-needed.html>