The author says the rush to upgrade computer systems and networks is starting to reveal some casualties: unrealized promises, unused equipment, and wasted funds. Here are the reasons he says many K-12 school districts simply aren't ready yet to use the power of sophisticated broadband networks:

• Administrators and teachers don't know enough about how to use computers;

• Computers are still being widely used as substitute lecturers (rather than facilitating new ways of educating and communicating), making the network just a faster way of receiving information in the old format;

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