<http://schema.org/about>
"Put down that tray, Snow White; studies at universities have shown that diners think twice about loading up on food when they cannot carry it so easily. This reduces waste, helps the campus bottom line and the students' waistline. According"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/reduce-waste-lose-the-cafeteria-trays.html>