Every week, I share something I learned in the previous seven days. I usually find these while I'm putting my weekly newsletter together but somehow, they don't quite fit!

This week I learned in some part of America, you can still hear the clack of typewriter keys, every day.

‘We use them every day’: In some parts of the US, the clack of typewriter keys can still be heard

Computers and smartphones might be where most writing is done these days, but typewriters still have work to do in the US.

BBCChris Baraniuk