Cyberspace in Perspective. deals with the moral issues involved with the World Wide Web. Concerns for parents, children and advertisers on the Net

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…rson on the other lines voice sounds faded or with static, they can guess that the call is coming from far away. One could get extremely technical and measure the resistance between two phones, but that is difficult for the average person to do. The easiest ways to tell how far apart two phones are is to estimate. People can estimate this by: voice quality, length of phone number, or by running a loop program.