Need a 4th and even a 5th law
As was evidenced in films like RoboCop etc allowing corporations to rule the roost will doom society.
Then the recent BBC-2 Documentary (The Secrets of Silicon Vallet) that described how the dataset gleaned from people's profiles and posts on Facebook contributed in a big way to El Trumpo winning in 2016. The advertising that was based on your posts that showed your fears targetted and re-inforced their fears while giving a pro-trump message.
Add all this together and the rise of the machines won't be long coming. Those of us who have jobs will be in the minority. Welcome to 60% of the population being in poverty with no income. The state won't be able to help as the Robots won't pay taxes as they don't earn anything.