While the association between so-called "friendly bacteria", and redued allergy, has been noted before, no-one is sure why they should have such an effect.

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As of today, the add-on seems to flag 333 sites as SOPA friendly, from industry groups like the Motion Picture Association of America to the Business Software Alliance, to companies like Apple.com to Nintendo.com, to Newscorp-owned sites like Fox.com and Sky.com.

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This all follows the Football Association having called off the Netherlands versus England friendly at Wembley, among others.

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The Football Association said Kirkland looks set to miss Wednesday's friendly against the United States after having muscle spasms in his back.

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Missing were the kind of sparks you'd expect when, say, representatives of the American Library Association share a drafty hotel ballroom with members of Family-Friendly Libraries.

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Arnold added that the football club has had a long association with China dating back to 1975 with the club's first friendly match in the country.

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The Indian Football Association (IFA), which manages football in West Bengal, organized the country's first international friendly between the hugely popular Venezuela and Argentina in 2011.

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