Few fields change as rapidly as communication technologies. Some of us study these technologies because we work in (or just love) the field. Others study communication technologies to see how they affect and are affected by society. Still others want to know how to get a job or make money from these technologies. And some just study for entertainment—things move fast, and there are always winners and losers.
This book is written for all of you. The chapters explain the basics of the technologies for those who seek to understand the systems and the markets. They also explore the competitive environment in which most of these technologies are fighting for a profit, or sometimes just for survival. Perhaps most important, these chapters were ...
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