<http://schema.org/about>
"In a bid to cut down on traffic congestion, Chicago will roll out hundreds of blue, 3-speed bikes in that city's first large-scale bike-sharing program."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/chicago-is-getting-its-own-bike-sharing-program>