As millions of pages are added to the Internet every day, the era of the microchip is drawing to a close. Limitations on the capacity of silicon and shortcomings in the communications infrastructure that powers bits around the Web are starting to be exposed. The only solution to the growing bottlenecks of information is 'infinite bandwidth'. That is the analysis forcefully expressed in Telecosm, the new and provocative book by George Gilder, one of the world's foremost 'digital visionaries'. In many ways a follow-up to the hugely influential Microcosm: The Quantum Revolution in Economics and Technology published in 1989, Telecosm argues that the world is beginning to realise that bandwidth is not a scarce resource (as was once thought) but is in fact infinite. For Gilder this is one of the greatest discoveries of the last decade, and only when the 'telecosm' - comprising key technologies such as fibre optics, high-spectrum communications and wireless packet-switched data networks - replaces the incumbent system of slow electronic switches, routers, bridges and circuit-switched networks will the true power of bandwidth be unleashed.
To persuade the reader, Gilder drills down into the roots of the technology that constitutes the telecosm, starting with the early work of scientists trying to uncover the mysteries of electromagnetic forces through to the implementation of modern fibre optics. But he does so in an entertaining, highly digestible form, providing a comprehensive view of how network bandwidth has become such a potent technological force.
The arrival of 'real' bandwidth will cause much displacement. Many of the much vaunted technologies of recent times, such as satellite telephones, digital signal processors, and copper telephone cables, are dismissed by Gilder as he provides detailed arguments about their inferiority compared with fibre optics and packet-switched cellular networks. Managers in telecommunications have most to benefit from the book's guide to fibre optics and the impediments to progress that are imposed by government regulations and industry institutions. Some of Gilder's most severe criticisms are directed at these groups.
Gilder offers interesting views on how unlimited bandwidth will force companies to radically change their business models. In the world of advertising, for example, the abundance of bandwidth will mean that television companies and Web sites will distribute adverts personalised to the individual. Bandwidth will be a great liberator of both time and economic activity. People will be freed from routine tasks, such as shopping at the supermarket, enabling them to concentrate on more productive tasks, he says.
Many previous books have made similar prophecies about how technology will transform our lives. Gilder's highly convincing and well-researched arguments should, therefore, be treated with an element of caution. But Telecosm is, none the less, a thought-provoking, definitive guide.