<http://schema.org/about>
"Young workers who enter their first full-time jobs bright-eyed and optimistic may want to stay away from their older counterparts."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/money/sustainable-business-practices/stories/why-younger-workers-are-happier-than-boomers-at-work>