“I think at a lot of these coding courses you just go and write code, but why not start with coming up with an idea, planning out what it looks like and then start to learn the code so you can do what you want?” Ms Wethered, 27, hopes Qudini will become the “Uber of queuing”. She said: “If people go to, for example, a restaurant that’s busy and the tables are tied up, they can be added to a digital queue on an iPad or tablet and they get a text telling them the estimated time they will be seen at and when to come back.