<http://schema.org/description>
"If you religiously check-in using foursquare whenever you travel, the app TripsQ will pull all of that information together to tell you just how much you've actually traveled.\r\n\r\nThe ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2011/12/05/tripsq-will-tell-you-how-many-miles-youve-traveled-thanks-to-foursquare/>