By Steve Hatch Yougov’s chief executive Steve Hatch takes a closer look at the data behind the biggest stories in business. Since Telegram boss Pavel Durov was placed under formal investigation in France last week, the messaging app has again returned to the headlines. But does all this attention speak to a service that has become an under-the-radar success in the UK – one of those apps that everyone seems to have but you? Or is Telegramming still a minority pursuit? The app has consistently attracted headlines over the past few years – often in relation to its popularity in Russia and its mod…