<http://schema.org/about>
"When we surveyed TreeHuggers about whether bicyclists should wear iPods or headphones, most agreed that one shouldn't. In fact, it's not just cyclists who can get hurt by being oblivious, but pedestrians too. Australian ad agency DDB Sydney did an ad"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/bikes/dangers-of-ipods-on-cyclists-and-pedestrians.html>