<http://schema.org/description>
"I've been trying to get my head around 'M' and 'MGrammar' and 'Oslo.' I put the names in quotes as I'm not sure what's a codename and what's not. ;) Oslo ... ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hanselman.com/blog/MixGettingMyHeadAroundOsloMAndMGrammar.aspx>