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International airlines are all-in on fancy first-class seats, even as US carriers focus only on business for long-haul flights
First class is largely filled with corporate customers, but many deep-pocket individuals are willing to pay up as they demand more luxury when flying.
At least nine airlines are expected to launch new first-class in the coming years, starting with Lufthansa's new "Allegris" cabin on November 9.Peter Kneffel/picture alliance via Getty Images
