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Our conversation coincided with the start of the papal conclave, the hush-hush assembly of cardinals who gathered to elect a successor to Pope Francis, and O’Brien can’t help but reference the event when explaining his slight delay: “Sorry, it took me a second to figure out there was a passcode to get into this secret room,” he says.

Does anyone besides you know the passcode to your phone?

I don’t know the passcode to hers, though.

Anybody that’s partied at my house and they’re like, “What’s the passcode? Gotta change the music.”

It uses a mechanism that generates a random security key on a device, which is encrypted by a user's lock-screen passcode, pattern or pin.