<http://schema.org/headline>
"iBooks 2 lets authors set textbook prices in exchange for Apple exclusivity"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2012/01/19/ibooks-2-lets-authors-set-textbook-prices-in-exchange-for-apple/?ncid=rss_semi>