There are 29 LANs, two WANs and, incredibly, just two support staffers, one of whom is Larry Burwell, the director of computer technology services.

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WANs that big firms use for their private intranets.

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For a more dramatic example, consider the following: An investment in Riverbed Technology (RVBD), a developer of software to accelerate application performance and data transmission speeds on WANs, would have generated a 6x return, versus an investment in Clearwire (CLWR), a provider of portable high-speed wireless broadband services, which would have generated a 0.3x return.

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