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@@ -61,6 +61,10 @@ One of the greatest data collections in history to date is the 1974 Global Atmos
 
 \Q{Are there any limits to miniaturization? Anyone making predictions in 1944 would have extrapolated existing technology---that is, improving the vacuum tube---and he would have been wrong. The invention of the transistor in 1948 completely changed the entire basis of electronics. One reason why the transistor was \dq{unforeseen} at the time was that in 1944 there was as yet no such thing as \dq{materials science.} The invention of the transistor required the refinement of a technique for preparing materials of less than a few parts per billion harmful impurities, and the utilization of special techniques to prepare highly perfect crystals.
 
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 If there is next to be a major change it may come with \dq{integrated optics.} Integrated optical circuits can be laid down in thin films in much the same way as integrated electronic circuits. These thin films, however, use miniature lasers, lenses, prisms, light switches, and light modulators. Since the frequency of light is some 10,000 times higher than the highest frequency of an electronic device, the amount of information that can be carried by a light signal is correspondingly greater. Moreover, optical circuits are in principal considerably faster than electronic circuits.}
 \Qs{Ibid., p. 37.}
 
@@ -143,6 +147,12 @@ Commercial applications have been quickly operationalized by banks and corporati
 
 The most sophisticated transmission-links remain classified. But two corporations and one government agency are collaborating in design and construction of a planetary system:
 
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+\caption/f{Courtesy of Texas Instruments.}
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 \Q{The most important single aid to this evolution now being planned is SBS---Satellite Business Systems---a company formed by IBM, Comsat (the US communications satellite company) and Aetna Life Insurance Company. Its plans have been shrouded in discreet corporate public relations for several year, perhaps awaiting the outcome of the 1979 WARC,\foots{World Administrative Radio Conference} since its life depends upon the allocation of a suitable set of frequencies in the 12-14 gigahertz band which has been set aside for ground to satellite data links, both for direct broadcasting and fixed satellites. SBS has been `grandfathering' a frequency in this band (squatting on it prior to allocation, in the hope that its right to continue using the frequency will be eventually conceded) since 1978\ld\ At this point SBS, firmly seated on the spectrum and capable of generating and processing a much greater volume of traffic than that afforded by US intra-corporate business will be able to move into the field of international mail and telephone connection, replacing the cumbersome unreliable services of many countries with instant and reliable communication, both on paper and in sound. The whole of filing systems of corporations around the world could be stored in IBM computers situated anywhere in the world. Where data links are presently costly and clogged with traffic between continents and across oceans they will become ridiculously cheap, by traditional standards, and plentiful.}
 \Qs{Ibid., p. 136.}