Microworkers teaching robots

How the rise of 'microwork' is helping develop artificial intelligence. Ed Butler speaks to New York Times reporter Andy Newman about his experience on Mechanical Turk - the Amazon-owned platform that offers tiny jobs for tiny wages. Microworker Michelle Munoz explains how she makes a good living from online microwork in Venezuela. Ronald Schmelzer, analyst at Cognilytica, an AI market research firm, explains why data-labelling tasks common on microworking sites play a central role in developing artificial intelligence. And researcher and author Mary Gray warns about the impact of microwork on workers' rights. Producer: Edwin Lane (Photo credit: Getty Images)