One thing going slightly viral lately is footage of Disney’s “HoloTile” infinite floor, an experimental sort of 360° treadmill developed by [Lanny Smoot]. But how exactly does it …
A company called Virtuix already developed a treadmill like this called the Omni like 10 years ago. They have released a few home versions of it and some larger ones for arcades. They're still refining it for mass production it seems.