[flying] It’s the yeаr 2124 аnd аutоnоmоus flying cars have finally been invented. Not only do these cars fly at over 100mph, but they’ve proven to be 65% safer than normal cars. In addition, they get to your destination in less than half the time of regular gasoline cars. Everyone begins to abandon their normal cars and buy flying cars. Which factor most contributed to the rapid diffusion of flying cars?