The firm is so confident of the benefits it offers its customers that sometimes it links part of its licensing fee to cost savings.

ECONOMIST: A survey of software

Click these links for Part 1, Part 2 and Part 3 or find them below as well.

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The computers are part of a system that links computers in Washington holding "unclassified but sensitive" information with 250 U.S. embassies and consulates.

CNN: State Department admits to flaws in computer system