<http://schema.org/alternativeHeadline>
"A free-spirited robot named hitchBOT is depending on the kindness of strangers as he travels across Canada this summer, posting selfies as he goes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/this-hitchhiking-blogger-also-happens-to-be-a-robot>