<http://schema.org/description>
"Apple&amp;#039;s continued control unibody aluminum chassis supply has reportedly forced Ultrabook makers, hoping to compete with the MacBook Air, to turn to alternative materials such as plastic."^^<http://www.w3.org/2001/XMLSchema#string>
<http://appleinsider.com/articles/11/11/21/ultrabook_makers_turn_to_plastic_as_apple_controls_unibody_aluminum_supply.html>