Building a 5-ton mechanical calculator... from 19th-century plans (Network World)

Starting in May, many will have the opportunity to see for themselves how they did computing the old-fashioned way: with lots of gears, a big crank and some muscle.

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Office Open XML out of Microsoft's hands—officially (Ars Technica)

With Office Open XML approved as an official ISO standard, the format for Microsoft Office is no longer under the software giant's exclusive control. It's going to be a test of Microsoft's newfound commitment to open standards and interoperability.

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Apple's OS Edge Is a Threat to Microsoft (BusinessWeek)

A recent upgrade to the Mac operating system moves Apple closer to challenging Microsoft for overall computing dominance, even in the corporate market.

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