Information Cocoons 

Thomas Nagel

One of the most remarkable effects of the Internet is that it permits unlimited specialisation of contacts and information. If you’re looking for an out-of-print book on an esoteric subject, you can find out instantly where there are copies of it in second-hand bookstores from Iceland to Australia, compare prices and conditions, and order it in a few seconds. You can read what people all over the world have to say on any topic that interests you, join in discussion with others who share that interest, and communicate your own ideas to the scattered community of specialists even in an arbitrarily narrow field – a community that could hardly exist without this possibility of electronic identification and expression. The availability of specialised networks applies to any type of interest whatever, and they are proliferating rapidly.

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