The tale of 3D Robotics starts in the garage of a teenager in Tijuana, Mexico, who launched a drone-making factory with a $500 check from entrepreneur Chris Anderson, who then flooded the American market with their unmanned aerial vehicles and disrupted the aerospace industry through grassroots, open innovation. Then, China caught on and drove U.S. drone makers into the ground. Anderson, 3DR's CEO, shares his hard-won insights.