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Here’s How That Disney 360° Treadmill Works
(hackaday.com)
This is a most excellent place for technology news and articles.
That one (assuming it's the same as your memory) was basically just a concave dome and you wore like socks. This seems pretty different.
The one I remember looked almost exactly like this.
It was pretty exciting to see, thought for sure it would take 10 years to come to market. That was about 2008 ish.