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There were no health services and the status of education system was of most concern . I was afraid of you all the time we were abroad ; I had no rest when I thought that you were always talking to him . Previously this address was implicitly the same as the " main address " of the machine , and this caused no end of problems for users , and was not powerful enough . Each wave progressed just like the previous one : first , a period of innovation , then a decade or two of financial hype as everyone tried to capture the infrastructure , followed by a stock market crash when they realised no one had a business model .