Remixing—the rearrangement and reuse of existing pieces—plays havoc with traditional notions of property and ownership. If a melody is a piece of property you own, like your house, then my right to use it without permission or compensation is very limited. But digital bits are notoriously nontangible and nonrival, as explained earlier. Bits are closer to ideas than to real estate. As far back as 1813, Thomas Jefferson understood that ideas were not really property, or if they were property they differed from real estate. He wrote, “He who receives an idea from me, receives instruction himself
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