Though the survey questions are not made public, passengers were asked prior to boarding to rate their satisfaction with the airport they were in, presumably including questions about ticketing and security lines, airport signage, airport navigability and retail and dining options, among others.

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Applications include contactless transactions such as payment and transit ticketing, keys, data transfers including electronic business cards, and access to online digital content.

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When it launched with iOS 6 this Wednesday, Apple's Passbook mobile-ticketing feature boasted a handful of high-profile partners -- including Fandango, Live Nation, Lufthansa and Ticketmaster -- but that list still leaves plenty of room for fleshing out.

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