David Bellos acknowledges that if he were to die today, the ideas in his book would still be protected for another seventy years, during which the publisher and his heirs will continue to exploit an essay that criticizes, precisely, the speculative drift of copyright. Copyright, the industry that moves the world (Peninsula, 2025), this professor of French and comparative literature at Princeton University analyzes with the intellectual property lawyer Alexandre Montagu how this concept has ended up becoming a tool that benefits a few large multinationals and curbs the creativity it promised to defend.