<http://schema.org/description>
"I've been meaning to scan the six stupid 'club cards' that The Man uses to track me as I do my shopping around town into one single card like this guy. This ... ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hanselman.com/blog/LifeHackCarryFewerClubCardsWithBarCodesAndLoseTheCostanzaWallet.aspx>