If quantum communication and quantum computation are to flourish, a new information theory will have to be developed.

Science has taught us that what we see and touch is not what is really there.

Numbers instill a feeling for the lie of the land, and furnish grist for the mathematical mill that is the physicist's principal tool.

The solution of the Monty Hall problem hinges on the concept of information, and more specifically, on the relationship between added information and probability.

The switch from 'steam engines' to 'heat engines' signals the transition from engineering practice to theoretical science.

To put it one way, a collection of Shakespeare's plays is richer than a phone book that uses the same number of letters; to put it another, the essence of information lies in the relationships among bits, not their sheer number.

In order to understand information, we must define it; bit in order to define it, we must first understand it. Where to start?