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Roger and Ann needed to meet Sergey in San Francisco.
“Should we take a train, or a steamship, or a plane?” asked Ann.
“Trains are too slow, and the trip by steamship around South America would take months,” replied Roger. “We’ll take a plane.”
He logged onto the central network using his personal computer, and waited while the system verified his identity. With a few keystrokes he entered an electronic ticketing system, and entered the codes for his point of departure and his destination. In moments the computer displayed a list of possible flights, and he picked the earliest one. Dollars were automatically deducted from his personal account to pay for the transaction.
by Mark Rosenfelder
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