<http://schema.org/about>
"Mark this one in the \"great materials use; not so great implementation\" column: thin paper ceramic loudspeakers made from discarded musical scores and clay. The ceramic columns amplify sound from your strategically placed earbuds to broadcast music"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/recycled-paper-ceramic-speakers-can-you-hear-me-now.html>