> If that were the case, I would think this would have been invented by one of the myriad existing players in the space. A hundred-dollar bill is lying on the

> If that were the case, I would think this would have been invented by one of the myriad existing players in the space. A hundred-dollar bill is lying on the ground. An economist and an engineer walk past it. The economist nods at it and opines: "I thought I saw something over there, but I must've imagined it. If there had been $100 on the ground, someone would've taken it by now." The engineer picks it up.