I've been thinking a lot recently about what the actual, what the concrete benefits are of having an immersive 3D interface. What is this really adding beyond maybe the novelty of the third dimension? And I think of it in terms of three separate pillars. The first has a lot to do with Jerry, what you mentioned early on, memory and persistence. There is now this finally, finally, there is, it has been established that a spatial canvas can be a legitimate paradigm for building a serious software tool. It took a really long time for that to happen.