<http://schema.org/description>
"Anyone using a computer is likely to use some form of address book and if you're on a Mac, it's likely to be Apple's Address Book application. Initially it contains nicely organised ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apple/2011/01/17/messy-mac-address-book-you-need-contacts-cleaner/>