August E. Grant, Ph.D.*

The biggest challenge in organizing and editing a book such as this Communication Technology Update is deciding what technologies need to be included and what technologies should be left out. Previous editions have addressed technologies that have since become so stable that updates are not needed, including satellite communication, low-power television, and television shopping. Other technologies are not yet established enough to need a complete chapter, but they bear watching.

The purpose of this chapter is to discuss a set of these other emerging technologies and explore how they fit in the spectrum of communication technologies. Some of these technologies fall into the same general ...

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