Mobile Passport lets you be that guy who gets to skip the regular line at the airport just by pulling out your phone. You provide the app with information about yourself and your trip, then submit everything once you land. Then you follow signs for "Mobile Passport Control" (which might as well say Cool People), and you're off to go about your day.

The latest version of the app adds support for San Francisco International Airport (SFO).

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This addition is a big deal if you're flying in to see Google over in Mountain View, California. Or, you know, that other mobile operating system maker based in Palo Alto. Or seemingly anyone who works in the tech industry and manages to snag mainstream press. Yeah, if you're visiting any of those folks, consider this a nice-to-have.