Have you tried to disconnect your extranets in order to measure the impact on your business?

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It also sells application performance services to improve the performance of content on corporate extranets and wide area networks.

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But he says that's less likely to happen now that Du Pont has secure extranets for customers, suppliers and business partners.

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Yet, armed with their extranets, how fickle will businesses become?

ECONOMIST: Firms and their suppliers