In 2018, 157 new emoji – including superheroes, skateboards, bagels and toilet paper – hit iOS platforms like the iPad and iPhone. And that's to say nothing of the thousands of existing emoji ...

An X can appear across a square symbol, on top of an iron picture or underneath an iron, and over a circle - so there's a likelihood you have seen an X marked on a few of your garments.

We wanted something simple to remember, which is why we went with icons or symbols, and I came up with the triangle-circle-X-square combination immediately afterward. I gave each symbol a meaning ...