To launch Twitter’s new Conversation Settings, we wanted to show the value in avoiding unnecessary interruptions. And there was no one better to explain the new feature than Robert Kelly. Best known as “BBC Dad”, the professor became a global hit in 2017 when his two children gatecrashed a BBC UK live interview he was doing. Every day, it becomes harder and harder to grab people’s attention, especially online. But when you have one of the best-known memes of all time on your side, you already have an advantage.