Ask HN: What bits of the shutdown government can we replace with software?

I saw a picture earlier today of a citizen mowing the lawn at the Lincoln Memorial. The government won't do it, so he just figured he'd take care of it, I guess. In that spirit of "let's get it done," what kind of government services do you think the populace could replace with code? Crowd-sourced disaster relief? collaborative meat inspections? Citizen-based earthquake detection?