Musk, the tech mogul behind Tesla and the founder of SpaceX (a now-$33-billion rocket company), wants to establish a permanent, self-sustaining city on Mars.

Meanwhile, Bezos — the founder and CEO of Amazon — has his own space company, Blue Origin. Its work so far focuses on building a “road to space” with new rockets that could ultimately pave the way for floating colonies.

Elon Musk vs. Jeff Bezos: How their space plans are different, similar – Business Insider

hmmmm