The Internet supports a variety of new businesses and business models. Internally, corporate structures are changing as outsourcing becomes easier and easier via the Internet; companies need to define focus on their core competences and let other specialists take care of the rest. Externally, industries are often redefined not by new competitors but by new models that erode the value of an existing function or market. What used to be value-added becomes merely a bottleneck that legacy companies cling to - and that new companies either automate cheaply or simply bypass with new models.
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