I have to admit, I got the idea from the beginning of the book Abaddon’s Gate. Solar sails might not be required but I think there’s a future in people plotting slingshot trajectories and sending packages around the solar system as fast and as cheap as possible. One day it will be manned missions, the space equivalent of people that fly hot air balloons around the world.

The novels of the James S. A. Corey authors are very inspiring given our recent space achievements. A highly recommended sci-fi series.

And a couple years after that, Amazon Prime parcels...