<http://schema.org/description>
"In its 4th quarter earnings report, Amazon made a huge and very exciting announcement that Kindle e-books have officially overtaken paperback books as the most popular format on Amazon.\r\n\r\nLast ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2011/01/27/milestone-kindle-books-overtake-paperback-books-on-amazon-com/>