<http://schema.org/description>
"The App Store is full to bursting with calendaring, notification and to-do list applications that, collectively, provide practically every single GTD feature one can ask for. Yet, for ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2011/09/19/want-location-based-reminders-on-your-iphone-try-cues/cues-1/>