Well, the original plan was to use several :-D smileys to convey the well-deserved breadth of my grin, but when I typed them all out they looked tacky.
... Ah, to hell with it. A modified Falcon 9 rocket stage did a powered landing for the very first time. Eventually this could cause launch costs to plummet, and open up space in earnest. EEEEEEE!!!! :-D :-D :-D