Until people get their hands on it, the photonics chip remains a mystery.
There are some subtle differences between mixed and augmented realities, with the latter tending to lay stuff onto surroundings while the former mixes the person into them.
I watched miniature humans wrestle each other on a real tabletop, almost like a Star Wars holographic chess game.
The focus on fun means the headset is closer to the Oculus VR than Microsoft s HoloLens, which has been demoed doing work-focused tasks.
Facebook, which bought Oculus for $2 billion last year, has been promoting VR heavily and Google announced a new platform for the technology at its I/O 2016 keynote event, which was held this week.
Ultimately, Magic Leap s secrecy means no one can accurately judge the technology without trying it, and the world is unlikely to see it anytime soon.