Whenever a new technology has disrupted copyright, we've changed copyright. Copyright isn't an ethical proposition, it's a utilitarian one. There's nothing moral about paying a composer tuppence for the piano-roll rights, there's nothing immoral about not paying Hollywood for the right to videotape a movie off your TV. They're just the best way of balancing out so that people's physical property rights in their VCRs and phonographs are respected and so that creators get enough of a dangling carrot to go on making shows and music and books and paintings.

Technology that disrupts copyright does so because it simplifies and cheapens creation, reproduction and distribution. The existing copyright businesses exploit inefficiencies in the old production, reproduction and distribution system, and they'll be weakened by the new technology. But new technology always gives us more art with a wider reach: that's what tech is for.

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Which means that today's copyright--the thing that DRM nominally props up--didn't come down off the mountain on two stone tablets. It was created in living memory to accommodate the technical reality created by the inventors of the previous generation. [...]