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Specialists say to expect bigger planes, larger ships, faster jets and more amenities.
Air travel has opened the world to the masses in a way hardly imagined only decades ago. International tourism is growing at an even faster rate than domestic travel. Airline officials say they expect worldwide air travel to grow from 1.3 billion passengers this year to 2 billion passengers in 2010. That has inspired Airbus to consider building a new plane that's even bigger than Boeing's jumbo jet, the 747. The super-jumbo A3XX would seat up to 555 passengers, a third again as many as the 747.