Which airline product innovation, first introduced in the 1970s, revolutionized the industry by allowing carriers to maximize revenue through variable pricing of seats?

The transportation industry has seen remarkable innovations throughout its history, especially in aviation. One particular breakthrough revolutionized how airlines operate their businesses and interact with customers. This innovation fundamentally changed revenue management and customer booking experiences in the airline industry. Test your knowledge of this significant product development milestone!

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Computerized Reservation Systems (CRS)
Yield Management Systems
Frequent Flyer Programs
Electronic Ticketing