Ostensibly, a shift towards a gross profits tax relieves the operators of having to apply for Amusement Machine Licence Duty licences and having to account for VAT on their takings.

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It told how the city of Indianapolis has passed an ordinance to block kids from using especially violent video arcade games and how, predictably, an organization called the American Amusement Machine Association has filed suit to stop it.

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The remarkable amusement park is the brainchild of La Machine, a street theater company famous for such creations as the 15-meter spider that crawled through Liverpool, in Britain, as part of the city's Capital of Culture celebrations in 2008.

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