<http://schema.org/description>
"Following the recent Daylight Saving Time (DST) change in the US, the Facebook Data Science team decided to analyze how users of the social network reacted after losing an hour of sleep ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2014/03/17/facebook-analyzes-users-feel-dst-change-tired-sleepy-also-wonderful-great/>