＂Here comes uncles letter！＂ I shouted happily. But this letter was different from those he sent to me before. It was an email！ My uncle went to the United States long ago. But he cared about my study and life very much. So he wrote me often. But it would take a long time for his letter to arrive. Several years later， my family set up a telephone set， It became easier for us to communicate， but we cost more money by calling each other. Now we both had a computer and could get on the Intemet. Then we could talk to each other any time we wanted to， and it wouldn＇t cost world is changing， and it is changing better and better.
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