With Passbook popping up on every iPhone running iOS 6, Apple will soon let you use the feature at its retail stores. The company will begin rolling out an update to its EasyPay point-of-sale software later this month that allows store employees to scan Passbook-based Apple Store cards for payments. Apple teased this during the original Passbook announcement this summer, but the store was missing among Passbook-ready apps when iOS 6 came out.
We've heard from an unnamed Apple Store source that the company just finished replacing the
