<http://schema.org/description>
"One of the most wonderful and least appreciated things about computers is diversity of devices. You're probably interacting with your computer with a keyboard ... ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hanselman.com/blog/HumanComputerInteractionDiversity7DevicesThatARENTAMouseAndKeyboard.aspx>