On: Why can't you reverse a string with a flag emoji?

[xmprt]

In that same vein, here's my introduction to Unicode about 10 years ago from Tom Scott.

https://www.youtube.com/watch?v=MijmeoH9LT4

[ciupicri → xmprt]

That's more about the UTF-8 encoding than Unicode itself.

[zerox7felf → xmprt]

poor man gave me and many others something like half of our introduction to computer science, but has gotten far more fame as the "emoji guy" for his repeated bouts with this particular part of unicode :)