<http://schema.org/about>
"Smartphone applications that say they can help determine whether or not a skin lesion is cancerous by reviewing a picture are often inaccurate"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/gadgets-electronics/stories/smartphone-apps-for-skin-cancer-how-accurate-are-they>