<http://schema.org/description>
"An iPhone-driven e-wallet service from Apple could simplify checking out at the store by presenting users with options based on data such as their location, current balance, or applicable rewards cards."^^<http://www.w3.org/2001/XMLSchema#string>
<http://appleinsider.com/articles/13/05/16/apples-iphone-e-wallet-concept-would-suggest-payment-options-based-on-context>