How will driverless cars and drones affect our future lives?

As robots, driverless vehicles, and drones become more ubiquitous, they will bring tremendous social, legal, and environmental implications – both pro and con. What changes – good, bad, and indifferent – might arise from these technologies? This is not for discussing the technology, but rather the social, legal, and environmental aspects of these, so that any non-nerd can enjoy!
Driverless cars will affect how we convey goods and people. How will this affect our neighborhoods, our roads, our cities? What might communities of the future look like? What will new houses look like?
What legal implications will arise from driverless cars?
Drones can affect privacy, tranquility, and safety. Should they be regulated? To what degree?