<http://schema.org/about>
"A once in a lifetime event happened this past Thursday in Dallas, Texas. The 20,000th Smart Fortwo was delivered to customer Patrick Zipper. We always see those computer advertising gimmicks claiming that we were the 20,000 person"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/smart-fortwo-20000-us-sales-and-growing.html>