few weeks later, Miller and Mark Britto, who ran Amazon’s business-development group, met with ToysRUs.com executives in a tiny conference room at Chicago’s O’Hare International Airport and began formal negotiations to combine their toy-selling efforts. “It was dawning on us how brutal it was to pick Barbies and Digimons, and it was dawning on them how expensive it would be to build a world-class e-commerce infrastructure,” Miller says.