<http://develop.techcrunch.com/2014/11/04/bitpay-launches-bitcoin-checkout-app-for-one-tap-payments/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://develop.techcrunch.com/2014/11/04/bitpay-launches-bitcoin-checkout-app-for-one-tap-payments/>