Microsoft figures it will expand its network of data centers 64-fold over the next few years to handle some 200 services, including Xbox online gaming, video and corporate software rented over the Web.

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The reasons for this are two-fold: One, there are only a few agencies that have been able to create profitable sports marketing practices.

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While only a few hundred participants were taking estrogen plus testosterone, that number increased eight-fold over the 10-year study period.

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From 1990 to date, the two decades of explosive growth since the effective launch of the Internet as we know it, Web traffic grew a staggering one-million-fold from a puny 48 terabytes a year (a few desktops now contain that much data) to an astronomical 60 exabytes.

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For example, there was a three-fold difference in firearm-related suicide between Massachusetts and Louisiana, which has few laws limiting the use of firearms.

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For CAA, joining Mr. Carter increases the company's ability to bring major celebrities and athletes into its fold, since there are few figures who have as much credibility with young athletes today than Jay-Z.

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