A self-confessed Twitter addict, David is in no doubt that there are positive sides to these platforms – revolutionising communication, highlighting important issues and propelling social change. But he also believes there’s a darker side to the way we interact online – one where outrage and angry exchanges frequently dominate, with a negativity developing that spills offline and into real life. 

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Ultimately, David asks whether something originally designed to help us talk to each other is just leading to everyone shouting at each other.