Got to prove you can mass produce them with a massive factory to do so and at a competitive low price point to compete and survive in this market. There will be many impressive Start ups but few being successful in producing there vision on a massive and global scale. See it before with many before them like Boston still trying to get there and it's been many many years for them. You will need the Software, that's the key not the hardware, even though that it the second key component not the first, but very important. Whe are who we are because of our brain not our body. Our brain protects and operates our body. Either the robot will have a child's mind or an a fully functional adult robot brain consistently learning, creating, constantly evolving, so to speak.