<http://schema.org/mainEntityOfPage>
<http://appleinsider.com/articles/10/12/10/five_years_of_apple_2005_ibook_to_2010_macbook_air>
<http://appleinsider.com/articles/10/12/10/five_years_of_apple_2005_ibook_to_2010_macbook_air/page/3>