These Are the Most High-Tech Airports in America

San Francisco International Airport

• Passengers Per Year: 19.7 Million

• The “indoo.rs” system helps visually-impaired passengers navigate through the airport via Bluetooth on their smartphone.

• 850-square foot co-working space, called #Converge@flySFO, with power outlets, WiFi and erasable white boards.

• State of the art yoga center.

• Free WiFi, even when onboard aircrafts.