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.
