<http://schema.org/url>
<http://www.aol.com/article/2010/02/19/textbooks-in-the-ipad-age-will-cool-tech-beat-renting/19362200/>
<http://www.aol.com/article/2010/02/19/textbooks-in-the-ipad-age-will-cool-tech-beat-renting/19362200/?gen=1>