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We need a law about these types of computer "product". It's been said enough times that if it's free then it's you and your data which are the product, and that resides wherever you do. As such, if there is any tax to be paid, it should be paid in the country the product is in, and an export tax levied on exporting that product. Time for the EU to step up to the plate as I don't expect certain other nations who benefit from this to do anything about it.