
This technology began with main frame machines where most techniques were operated offline but with increasing networking of computers and miniaturisation down to minicomputers along with the parallel development of personal computers, much of this activity came online. The convergence of communications and computing which has occurred in the last twenty years with the development of the internet and its graphical interface in the form of the world wide web has moved many of these functions into networked environments. The prospect now exists for all stages of the planning.
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