If they're used properly, they will last 10 years and filter 250 gallons of water every day.

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Last year Consumer Reports, a trade magazine, rated its filter coffee more highly than that offered by Starbucks.

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Last week Chancellor Angela Merkel suggested that a system be set up to filter SWF acquisitions, (See: "Merkel Plays Protector") and earlier this month her finance minister, Peer Steinbrueck, said the government has to pursue an "active industrial policy" to protect German telecommunications, banking, postal, logistics and energy companies, from being taken over by SWFs.

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The Boston-based company, which was spun off from Expedia last year as a publicly traded company, says it has deployed technology to filter reviews and flag problematic content.

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"Some of the filter results show levels slightly higher than those found by EPA monitors last week and a Department of Energy monitor the week before, " the agency said.

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If your business model is putting ads in a stream, the last thing they want you to be able to do is to slice and dice and filter your stream.

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