In set-tops, text and graphics streams can degrade because they must first travel through coaxial cables designed to carry video.

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In the set-top approach, text and graphics streams can degrade because they first must travel through coaxial cables designed to carry video.

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Whether it's phone wire used for dial-up and digital subscriber lines (DSL), or the coaxial cables that carry cable modem connections, these connections are a bottleneck between the carrier's big pipes and your bandwidth-starved computer.

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