17 martie 2008

Reaching Out, Touching You


'Non-communication is impossible', says one of the communication theory's postulates. However, considering that the fourth most important element of the communication process is (can you believe it?) the noise, let's try to apply the Shannon-Hartley theorem to the almighty Internet. The entropy of English text is between 1.0 and 1.5 bits per letter,[1] or as low as 0.6 to 1.3 bits per letter, according to estimates by Shannon based on human experiments[2](one bit being equal with a fair coin). If we take into account the fact that the channel codes appear to multiply following (say) geometric progression, then we will soon (50 years) face a "deafening" entropy. In other words, we will move from a directory centric communication to a user centric one. Just think of the millions of blogs with less then 5-10 readers. You start to feel the frozen breath of the Big Crunch on your back?...

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