How Do You Pick the Niche in 2020?

I was watching Kirby enthusiasm and Larry David Vlogs, big word, dictionary words. I would take my phone out and just put the word and be like, do I even know the definition of this word? And it got me thinking, you know, I'd been studying for a test and there's vocabulary sections to the MCATs. He created an Instagram account called Speak Well Daily on Instagram. It grew to like 15,000 followers of like a lot of Spanish speaking people who were like, this is the most fun I've had learning words.