<http://schema.org/about>
"Watching another person scratch an itch can cause you to do the same, and scientists have figured out the basis of this peculiar \"itch contagion.\" It's all in y"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/why-watching-another-person-scratch-an-itch-will-make-you-do>