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I really enjoyed Gleick's latest book. I was familiar with information theory but didn't understand it too well. It makes a lot more sense to me now. Very interesting history about telegraphs, Shannon, and Turing as well.

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This book was a fantastic read. Gleick provides a perspective on information that is historical, theoretical and social. OK, that much you could find out from anywhere. But what's worth knowing is that it's an engaging read, almost a page turner! And Gleick delivers interesting insights into the lives many important characters who advanced the information age (Babbage, Ada Lovelace, Claude Shannon, Alan Turing, Norbert Weiner, and more). He sums up by addressing the topic of "information glut", which I suspect concerns most readers, and offers an optimistic outlook based on how society has managed with previous leaps-forward in information availability & load. 

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The book covers how information has been treated in the precursors of the Information Age up to and including Google, Twitter and DNA databases. There is no standard definition, but there is the theory that the title refers to of Claude Shannon, and the overload of too much (TMI). The only irreversible process, and thus of any cost in terms of physical energy such as heat generation according to Landauer and Bennett, is erasure. The text briefly comments on data mining and machine intelligence, but does not dwell on the directions, not does it consider metadata, ontology, semantic web or augmented reality. Some of the author's previous interests in chaos theory, quantum, entropy and thermodynamics are summarized. It goes more deeply into the abstractions of concepts such as meaning, language, writing, cryptography, paradoxes, numbers, measurement, logic, communication, transmission, computers, networks and genetics along with the major contributions of a host of researchers. There are fifteen chapters and extensive notes and bibliography. 

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