You won't need to pull out your ticket to board the flight to Cancun at JetBlue's Gate 18 at John F. Kennedy Airport. Put away your passport, too.
All this convenience costs is your face. You get only one of those, so I hope it's worth it.
Facial-recognition technology is unproven and largely unregulated - yet it is already arriving at airports all over the United States. At JetBlue "e-gates" and earlier prototypes, the airline has scanned 150,000 faces in the past two years to verify international travelers before they board.