Campaigners argued the sites would not be able to cope with such a population rise and the road networks would become clogged with the increased traffic.

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Tech support personnel might have to go desk to desk to do fixes, or perform maintenance on e-mail servers that have become clogged with virus-generated messages.

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The lopsided settlement was approved by in August 2010 after lawyers sued the manufacturer over sunroof-drainage lines that could become clogged and flood cars with water.

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But the past ten years have seen another source of growth, as interstate highways have become clogged in places and have shown the effects of a lack of investment.

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Both can move traffic and both can become too clogged up for traffic to move swiftly.

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Unfortunately, after that, the Fed began aerating our monetary water supply to try to compensate for economic pipes that were clogged with what had become the second highest corporate income tax rate in the world.

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The service has become wildly popular with students, and many US universities have banned its use after it clogged up their computer networks.

BBC: Napster