<http://schema.org/about>
"Talk about Call of the Wild. A new iPhone app from The Center for Biological Diversity puts the sounds of endangered animals on your cell phone. You can literally hear them howling (or screeching, or"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/natural-sciences/one-touch-activism-and-animal-sounds-from-wild-calls-iphone-app.html>