Both biological evolution and technological evolution
involve the modification of preexisting structure. Technological evolution
differs, however, in that what emerges can be a qualitatively different “species,”
suitable for entirely different “niches” of application.
Biological evolution takes several generations to produce a
new species even when environmental pressures promoting change are at their
highest. And what emerges is almost always very similar to what existed before.
According to a principle known as Romer’s rule, evolutionary changes are
initially conservative adaptations that allow the organism to continue its
previous way of life. Unlike biological evolution, technological innovation can
lead in a single “generation” to the sudden appearance of an array of things
the likes of which never before existed. For example, all modern computer
technology traces back to the invention of the lowly transistor. To get a
comparable event in biological evolution, an amoeba would have to become an
entire set of large African mammals within the course of just a few cell
divisions.
And since each new technology becomes immediately available
for modification itself or to serve as a constituent in additional innovation,
technological evolution follows an exponentially expansive trajectory. The rate
of technological change itself increases across time.
Biological evolution is not the only metaphor that has been applied
to technology. Technology has also been called a language. A theoretically
infinite number of novel technologies can emerge from the combination of
modular, constituent technologies—in the same way that an infinite number of
sentences can be constructed from a large but finite number of self-contained
words.
In addition, language and technology both serve as a point
of interface between the individual and the larger community to which the
individual belongs. Although language is produced by individual persons,
supported by human cognitive capacities and uniquely human brain structures,
language is a fundamentally social phenomenon. Technology, likewise, is
fundamentally a social phenomenon supported by human cognitive capacities.
But when we track technology back to the individual, the
analogy disintegrates and the true dehumanizing nature of technology emerges. Individuals
are themselves constituents in
technological “expressions.” Division of
labor and the isolation of knowledge (essential features of the technological
process) transform individual persons into technological constituents something
like the phonemes of spoken language.
Language is a means for the individual to interact with the
community in pursuit of his or her own social needs—language serves human
purposes. Technology on the other hand transforms humans into component mechanical
parts of artificial devices for the pursuit of its own purposes.
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