This may be premature, and thinking too far ahead. But , If there is way to implement bitusd for payment systems competing with apple pay. I believe it would be a home run hit for bitshares and digital currencies.
Check out the link to see the war between apple pay and mcx.
http://seekingalpha.com/article/2601705-titans-clash-mcx-vs-apple-pay?uprof=17
From what I know, the plans are to implement bitUSD for debit cards ...