Great article with some simple examples which we can all relate to. I’ve always admired Don Norman’s design principle, ‘understanding and discoverability’, something that is similar to or perhaps the same as ‘learnability’.

I wonder how many people know that you can give multiple Medium story applauds by continuously tapping or holding down on the clap icon? A function like this is not immediately discoverable for some users and may require a little playing around first.