These Are the 10 Airlines Now Compatible With Apple's Passbook

As one of the billboard features of Apple iOS 6, Passbook has proven way more useful than we initially anticipated. Amtrak, Fandango, and sports ticketing integration have already made it a welcome addition. But what's really going to make this a killer feature in the future is having all of the world's airlines on… » 11/28/12 11:22am 11/28/12 11:22am