In the background still, however, are the security and hassle factors associated with standard air travel.

CNN: Corporate air charters take wing

Or when Virgin Atlantic set a new standard in air travel, offering manicures, massages and limo rides to the airport for first-class passengers and giving economy travelers seat-back entertainment systems with a choice of movies and videogames.

FORBES: Red Baron

The International Civil Aviation Organisation (ICAO), the U.N. body that oversees air travel recognizes facial recognition as its primary biometric standard, with iris and fingerprints accepted as the two optional identifiers.

CNN: Fully biometric airports becoming a reality