Not just the UK, most international diplomacy is done through Whatsapp: https://www.theguardian.com/technology/2016/nov/04/why-do-diplomats-use-this-alien-whats

Not just the UK, most international diplomacy is done through Whatsapp: https://www.theguardian.com/technology/2016/nov/04/why-do-diplomats-use-this-alien-whatsapp-emoji-for-vladimir-putin https://www.theguardian.com/technology/2016/nov/04/why-do-di...