<http://schema.org/about>
"We already know that Eco Golf makes a golf ball that biodegrades in water, for tricky water hazards or rounds played from a cruise ship. Happily, they also manufacture a biodegradable golf tee that looks and feels just like the wooden tees most golfers"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/biodegradable-golf-tees-from-eco-golf.html>