<http://schema.org/about>
"Last week, Facebook founder Mark Zuckerberg made what he called an \"awesome\" announcement: its 750 million users can now video chat using Skype."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/facebook-video-conferencing-will-businesses-like>