The Information: A History, a Theory, a Flood
- book by James Gleick
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James Gleick is widely regarded as a masterful science writer, and for good reason. Through the 526 pages of The Information (2011), Gleick spins an accessible tale about Charles Babbages’s difference engine, about Turing machines and Maxwell’s demon, about Gödel’s incompleteness theorems and Shannon-Fano coding and Boolean algebra, all in service of illuminating a concept that may seem ineffable: information itself.
Gleick shows how complex computation and signal processing problems led to the development of information theory, which gave us ways to quantify information and to speak about the entropy of a body of text. This in turn touched countless other disciplines, and made the networked world we find ourselves in today possible. Towards the end of the book, Gleick explores the wonders of this world, including Wikipedia.
The book was written before recent debates about fake news, Twitter bot armies, and similar disinformation campaigns, but Gleick anticipated that the burdens of selecting true from false, and forgetting that which should be forgotten, would only increase.
This is a book that aims for breadth (from talking drums to telegrams, from analog computers to digital ones), not depth. If you’re looking for an introduction to information theory, look elsewhere. As a history of ideas, The Information succeeds brilliantly. Page after page, the book places a question in the reader’s mind, then addresses it; it weaves together anecdotes and facts, never overloading the reader with jargon, but not shying away from complexity.
As Gleick points out, without selecting that which matters, we end up with a Library of Babel, conceived by Argentine author Jorge Luis Borges as a library that contains all possible books of a certain length. In the libraries of the real world, this book has earned its place to give us a shared history and vocabulary for the conversations to come.