Forget pizza night IOUs. Lots of very smart people have come up with lots of clever ways to pay someone for a service, ways that don't even register when it com

Forget pizza night IOUs. Lots of very smart people have come up with lots of clever ways to pay someone for a service, ways that don't even register when it comes to public awareness. I could have bought this house from you for 1.5 million, but I'm going to buy it for 2.5 million because I simply must have it. Man, what a sucker, eh?