[...] the traditional labour market that most closely approximates the lean platform model is an old and low-tech one: the market of day labourers--agricultural workers, dock workers, or other low-wage workers--who would show up at a site in the morning in the hope of finding a job for the day. [...] The gig economy simply moves these sites online and adds a layer of pervasive surveillance. A tool of survival is being marketed by Silicon Valley as a tool of liberation.