I've been exposed to precisely this mechanism at "mom & pop" venues; it works great, and no one's upset (there's a loss of last-minute transfer between friends,

I've been exposed to precisely this mechanism at "mom & pop" venues; it works great, and no one's upset (there's a loss of last-minute transfer between friends, but that's the cost). Ticketmaster self-scalps: it's in their best interest not to have this mechanism.