Every October, the wider world takes up art. And it's not just #Inktober, either, though that's a big one and comes highly recommended! Evidence is everywhere. Accountants are out in the early dusk carving faces into squash. Soccer-moms are turning plastic jack-o-lanterns into terracotta with viral paint. Dogwalkers hot-glue moss onto cardboard tombstones. Have you seen your neighbour? A man who has owned the same beige windbreaker since 1990? He's spent three full weekends b