The government is also facing bandwidth gridlock as it attempts to switch wireless traffic communications to the world standard 5.9 GHz.

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So far 67% of Comcast customers have yet to switch from analog, which consumes up to 12 times the bandwidth of digital.

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But its massive bandwidth capacity--which Cisco says is 20 times that of any switch currently available--isn't the only thing separating the Nexus 7000 from its ancestors.

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As Moore's Law (computing power of a chip doubles every 18 months) continues to unfold and as bandwidth capacity continues to explode, just-turn-on-the-switch, easy-to-use high-tech appliances for specific functions will proliferate.

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As a powerful, switch-hitting technologist and economist, he is able to peg the steady expansion of chip speeds and bandwidth to sudden business-inflection points -- those dramatic moments when a new business model dethrones the old.

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