<http://schema.org/about>
"Analyzing brain scans while tracking the writer's pen could show how brain activity relates to certain learning disabilities and motor-impairing diseases."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/fiber-optic-pen-may-help-scientists-understand-dyslexia>