<http://schema.org/about>
"For all the offices trying to go green by minimizing paper use, there are still those that have a pile of wasted print-outs in the recycling bin. This concept by designers Chengzhu Ruan, Yuanyuan Liu, Xinwei Yuan &amp; Chao Chen"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/paper-to-pencil-machine-repurposes-printed-pages.html>