It was massively popular earlier this year, and there have been lots of big HN threads about it: https://hn.algolia.com/?q=wordle https://hn.algolia.com/?q=word

It was massively popular earlier this year, and there have been lots of big HN threads about it: https://hn.algolia.com/?q=wordle https://hn.algolia.com/?q=wordle You can find a lot of information there, but "why should I care" is something only you can answer, as many people have no reason to care about this - ultimately it's just a little internet game.