So if you have been following Elon Musk you will know that he wants to get humans to Mars just in case we manage to destroy our planet in one way or another. Elon Musk co-founded paypal and then went on to build SpaceX, Tesla, SolarCity and is also trying to build Hyperloops and connect the world from space with satellites. Interestingly he maybe working closely with Facebook and Verizon who have a deep vested interest in connecting the world. If you would like to find out more about Elon Musk, I highly recommend you read/listen to his biography. You can get it on audible (first book is free).
Here is a cool simulation video of how he sees it happening: