Hi! I'm a PRETTY BIG DEAL over on Wiktionary.
My Wikipedia contributions are basically minor grammar fixes. I also sometimes fix facts, but get reverted by small children.
I am not a fan of Wikipedia as an institution, with its stifling bureaucracy and myriad conflicting guidelines, but I do think it is a really useful and interesting resource, and I spend a lot of time reading articles about anything. (HIGHLY RECOMMENDED: Wikipedia:Unusual articles.)