If you don't know, it's not easy to explain completely. Basically, they offered bounties for poorly written articles, or offered awards if a rewrite was done particularly well enough and recognized as such.
I know at least one writing major who won an award from his volunteer work at Wikipedia. He did it as a hobby. They don't really need AI, they need people like him.
Just don't give up, find something that pulls you in and let it. I learned on CAD software first, and applied that knowledge to an existing model I had already made. Your imagination is more powerful than motivation, so let it guide you instead. That's how I got there.
If you don't know, it's not easy to explain completely. Basically, they offered bounties for poorly written articles, or offered awards if a rewrite was done particularly well enough and recognized as such.