<http://schema.org/alternativeHeadline>
"Honk.com combines buying cars and social networking, letting you know what your peers think about more than 300 car models on sale today."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/networking-on-wheels-honkcom-the-car-shopping-site-for-facebook-fans>