Is AI Cause For Fear Or Hope?

Are researchers now taking the ethics of artificial intelligence seriously, following a series of rapid recent advances? Plus how "computational propaganda" is at play in the US election. And, the claim that "ransomware" is now the cybercrime of choice against businesses. Presented by Rory Cellan-Jones, with special guest Thomas Tamblyn, technology editor of the Huffington Post UK.

(Image: Human and robot hands about to touch, Credit: Thinkstock).