<http://schema.org/headline>
" iPhone 4S accounts for 90% of US iPhone sales, 42% of customers break contract to buy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://appleinsider.com/articles/12/01/26/_iphone_4s_accounts_for_9_out_of_10_us_iphone_sales_42_of_customers_break_contract_to_buy_one>