BD is hardly the only one in the game. Even though they did sink in a lot of R&D that was likely done by Google..because remember BD was alphabet owned before S

BD is hardly the only one in the game. Even though they did sink in a lot of R&D that was likely done by Google..because remember BD was alphabet owned before SoftBank acquired it. Ghost Robotics...DARPA funded.. are actually a tad cheaper but will likely only for govt and military contracts first.