I’m used to the odd bleep and feedback on Radio 4 as guests forget to turn their mobiles off before entering the studio. But today was taking it to a new level for me.

Someone contributing to You & Yours forgot to log out of Skype. I’m pretty sure I could hear its tell-tale instant message bleeps in the background. (I had wanted to check by listening again, but the flippin’ thing keeps throwing up an error).

It is such a distinct sound, it could almost be categorised as product placement!