<http://schema.org/about>
"Here is an interesting prediction of the future from Smith Rairdon, director of marketing for Owens-Illinois Glass Company, about the future of glass, made in 1958:"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/wayback-machine-1958-the-future-of-glass.html>