> I doubt that would be an efficient use of money

It works for ice cream trucks, and when you ban all other forms of advertising, it's not like there's any more efficient places to spend that ad money.

> Blocking that double use is part of why I tossed "independent" into my earlier post.

So we'd just wind up with fleets of "independent contractors" doing deliveries for part of their income and advertising for the other part. It's not like a bunch of those vans and trucks aren't already contractors in the first place.