The importance of being social

Why political parties and advertisers crave influence on social media. Amol Rajan is joined by Isabel Hardman, assistant editor of The Spectator, Craig Elder, digital strategist, Harry Hugo, co-founder of The Goat Agency, Sam Barcroft, CEO of Barcroft Media and Jim Waterson, BuzzFeed News political editor.

Presenter: Amol Rajan Producer: Richard Hooper.