Arguably, Passbook is off to a fairly slow start. Even after having a few months with developer previews of iOS 6, companies and developers have taken their time in rolling out support for Passbook now that it's public.
Starbucks, Target, McDonald's, Airbnb and even a few airlines have rolled out Passbook integration, but it's been a slow process. There's hope after Major League Baseball announced Passbook adoption by e-ticket users surpassed all expectations. Hopefully businesses take note, and either speed up or commit to implementing Passbook.
Big companies have more resources (read: money) to investigate Passbook … Read more