They provide an alternative, virtual supply chain, one where the costs of creation, marketing, distribution and use of information goods have plummeted to something close to zero.

FORBES: Leahy's Protect IP Act: Why Internet content wars will never end

It's taking advantage of the Alternative Business Structures (ABS) law, which was known as Tesco law, in the expectation that the supermarket chain would move into legal services as well as so much else.

BBC: Laying down the law