In his book "The Dark Net," Jamie Bartlett investigates Internet subcultures, both legal and illegal.

Why you should listen

As the director of the Centre for the Analysis of Social Media at Demos, a leading UK think tank, Jamie Bartlett is currently involved in projects on crypto-currencies, surveillance and counter-surveillance methods and ISIS’s use of social media for propaganda and recruitment. He is a vocal columnist and commentator and the author of The Dark Net, a book on legal and illegal internet subcultures. Previously, he conducted field research in Pakistan and Bangladesh.

Jamie Bartlett’s TED talk

More news and ideas from Jamie Bartlett