 and then you had to run and ring a number. And they worked on a private radio network within the hospital. In the UK, they're called bleeps, which I always think is quite sweet. I just found this really interesting. I actually spoke to a doctor called Constantino Regas, who's an NHS doctor in Southampton. And he previously sent Freedom of Information requests to every NHS trust in the country to say, how many pages are you using? How much are you spending on it? What are you doing with it?