40 years of copyright expansion has not delivered - even though copyright covers more works, for longer timescales, with stiffer penalties, the share of income from the creative industries that goes to creators has only declined. Drawing on lessons from "Chokepoint Capitalism," a new book co-authored with Rebecca Giblin, World Ethical Data Foundation advisor Cory Doctorow describes how labour markets can be made more fair by using data about hidden wage-thefts and accounting fraud to galvanise collective action among creative workers.