So, not a hologram, but a clever led display.
My thoughts exactly. This is passing as holograms now a days.
NVM spinny wheels. Neat I guess. Clearly, Turns out holograms are fucking hard.
So just a larger, more complex version of those little led fans that say things?
That's what it looks like to me.
Projection onto water vapor? Or like a sheet of high-pressure air?
Oh, nevermind, unused units are visible to the right. It's another persistence-of-vision deathtrap.
The future of everyday life. Science fiction meets Realism!