Add accessibility comment wrt. mobile offers.
--- a/latest/use-cases/index.html Wed May 20 00:02:44 2015 -0400
+++ b/latest/use-cases/index.html Wed May 20 00:15:17 2015 -0400
@@ -859,6 +859,13 @@
Unifying the way tap-to-pay offers work with the Web Payments architecture
would help ensure ubiquity.
</dd>
+ <dt>Accessibility</dt>
+ <dd>
+An auditory cue notifying people that have low vision or are blind
+that a payment offer/invoice is awaiting their response as well as providing
+guidance on how close their payment device is to the payment terminal would
+be helpful.
+ </dd>
<dt>Exceptions</dt>
<dd>
No mobile phone connectivity (visiting a different country, trip occurs