When we started 3D, we produced everything in China and needed to order in units of thousands to get good pricing. Credit Robert Benson for The New York Times The notion that Mexico offers only cheap labor is just plain off the mark. The trade routes of the 21st century don’t have to follow Marco Polo from West to East. There seem already to be some systems that allow also more than one viewer to see the three-dimensional image, at a time, but that, altogether, still seems to be very problematic. Also, no successful commercial product should exist based on the technology or a competing technology; otherwize it is no longer emerging but existing or surpassed by alternatives. A template should also be limited to a certain maximum number of technologies.