Information Society is a sociotechnical formation that has evolved from early configurations of industrial society. What makes it distinctive, and justifies the use of the label "Information Society", is its use of new Information Technology. Information Society itself evolves through various configurations of the technological knowledge, organisational structures, and social practices that are constitutive of industrial societies. Three phases of Information Society-"island", "archipelago", and "continental" phases-can be characterised in terms of the type of IT equipment and services that are employed, and, equally importantly, in terms of the styles of use and applications to which they are put and the sorts of organisational embedding and strategy that evolve in and that help shape these contexts. A future phase can also be outlined speculatively. In the "island" phase, up to, say, the late 1970s, IT facilities were typically small (interms of processing power, by current standards), and detached from one another; organisations used them in a centralising way, with IT facilities concentrated in data processing centres. In the 1980s, the "archipelago" is characterised by a proliferation of IT devices on a more human scale, with limited (two-way) communications between them being the norm. Despite public fears about the impact of IT use on employment and concern about "deskilling", the trend was more one of upgrading of work, with the decentralised use of PCs (mainly as stand-alone devices) causing problems for corporate DP managers. Equally, economists were puzzled by the lack of reflection of IT investment in productivity statistics (the "Solow paradox"). In the 1990s, a continent of IT devices is crossed by "information superhighways", with networks increasingly linking islands of automation. The Internet becomes a near-universal medium for computer linkages, and mobile systems of many sorts becoming prominent for voice and data communications. Late in the decade, when access to the Internet was widespread, and the Web provided a familiar design paradigm for information exchange, many businesses and government organisations became active in the online transfer of transactional and related data. By the turn of them illennium, there were arguments that Solow's productivity paradox was beginning to be overcome-perhaps because of the increased networking, and associated organisational The opening years of the twenty-first century see the further consolidation of the "continent" phase of Information Society. Two significant evolutionary steps look likely to be peer-to-peer networking, and "ubiquitous computing". With many potential applications in education, healthcare, consumer services, and business organisation, it seems likely that the next decade will see the emergence of a new phase of Information Society characterised by at least some elements of such an ecosystem vision.
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