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- Airport security was less restrictive before 9/11.
- Today, passengers can use mobile apps and kiosks, not just paper documents.
- Flight information used to be written on chalkboards at gates. Now, it's on screens.
Flying used to be a glamorous undertaking back in the day. But airports had their glory years, too.
New technology has helped airports run more efficiently, from digital air-traffic-control software to the ability to check in on a phone or kiosk. But other changes, like increased security screenings, have slowed things down.