That causes real headaches for companies that have servers in the U.S., customers in Europe, and a branch in Japan. How they move the data around is now actually subject to government regulations in all these different countries.

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That's a pretty big challenge and it requires both technical retrofitting of databases that didn't used to have to talk to each other, and rethinking of the management structure. There's a lot of effort behind the scenes that companies typically don't anticipate when they open up their Web site.

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