<http://schema.org/description>
"If you were on Twitter.com earlier you may have picked up on a few design issues. It was only temporary but like many other things on twitter, it caused a bit of a stir.\r\n\r\nTwitter's ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2009/11/18/twitters-prettying-ui-explains-glitches-earlier/>