<http://schema.org/about>
"This easy, inexpensive, self-proclaimed green product gets rave reviews for keeping an open bottle of wine fresh for days. We put it to the test."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/food/beverages/blogs/private-preserve-keeps-an-open-bottle-of-wine-drinkable-for-days>