Samsung has annouced its answer to Passbook, and unsurprisingly, it looks a lot like Passbook.
Google has taken inspiration from Apple's Passbook to give its Android customers a more instantaneous way to pull up their boarding passes with Google Now.
After building a significant business around making push messages easier to use, Urban Airship is now aiming to do the same with Apple's Passbook with the acquisition of Tello.
Klout updated its iPhone application to allow members to receive rewards on their phones and add an influence identification card to Apple's Passbook application.
The coffee conglomerate officially launched Passbook integration Thursday. The update allows Starbucks mobile users on iPhone and iPod to store their digital cards in Passbook for quick and easy mobile payments.
Surprise, surprise, Apple is being sued again. A San Diego gaming and restaurant software company is suing Apple for infringing four of its patents in the new iOS 6 Passbook app.
Guest Post American Express is launching an integration with Apple's Passbook today. Before you get too excited, no you won't be able to pay with AmEx using Passbook, but you'll still have access to some cool features.
Editor's Pick Developers are already releasing their own gift and loyalty card apps for Passbook -- an app that puts your loyalty cards, coupons, boarding passes, event tickets, and more on the iPhone. The app launched today, alongside iOS 6, Apple's latest mobile operating system.