"It isn't just because they have become platforms for propaganda and interpersonal odiousness that we should declare war on the social media", writes Howard Jacobson. "It is because they reduce all discourse to a shout".

Howard appeals for a re-discovery of the subtlety of language and explains why he believes we should leave behind the "frozen wastes of Emojiland".

"A thumb up or thumb down culture has given up on the idea that difference of opinion comes in shades, that thought is gradual and graded, that argument is more about adjustment than it is about assertion".

Producer: Adele Armstrong.