<http://schema.org/about>
"It should come as no surprise that America leads the world in obesity and more than one-third of the country is obese.  Just take a look at our serving sizes. T"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/serving-sizes-around-the-world-infographic>