Due to the upsurge of digital platforms during the 1990s and beyond, however, the external bent was turned on its head. One factor lay in the proliferation of low-cost hardware across the enterprise. Another driver was the upgrowth of applications powered by open source software. The platforms in the latter category ranged from Internet media and database packages to operating systems and analytic tools. By contrast to its original ambit, the field of business intelligence came to focus on the management of information for internal functions rather than external events.
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