I've joined after being inspired by the Wikipedia volunteer contributors video and I'd like to help with this excellent project. I'm starting small but want to do my best :)
https://upload.wikimedia.org/wikipedia/commons/transcoded/6/69/The_Impact_Of_Wikipedia.webm/The_Impact_Of_Wikipedia.webm.480p.webm
(Don't know how to embed this but you can click to watch)