We can't all live by taking in each others' washing

Although, actually you know, we already do

Worstall @ the Weekend There's an old jokule, vaguely traced back to Mark Twain, that the people of the Isles of Scilly used to eke out a living by taking in each others' washing. Yes, another economic thigh slapper: but the really weird thing is that for all of us seven billion humans in aggregate, we do really do that."