SpaceX Dragon 9 booster lands safely on an autonomous floating platform, after launching a payload into space.

Potentially a 10-fold reduction versus current launch costs.  Game.  Changer.

Video at: https://youtu.be/sh8V0COrrzE?t=2129

And Blue Origin isn’t far behind.

Update: The payload was the inflatable Bigalow space capsule, scheduled to be deployed on the International Space Station for two years of testing.  Another potential game changer.