<http://schema.org/about>
"A clever German campaign at Click-and-Care shares gorgeous nature photos. But it gets better: sponsors will donate 10 cents (presumably euro cents, so about 15 US cents) for every photo downloaded -- to help green causes. The picture of the day"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/how-to-save-the-climate-with-a-click.html>