I wasn't impressed. (I was able to pull up the one with that rapper guy)
First off: In many of the angles he was not on the circle both vertically and horizontally.
Second: That aura around him was rather irritating.

Do they really need such technology? It looks to me that green screen technology could have produced the same thing.
Put the interviewee in a 360 degree green room, and synchronize the green room camera with the studio camera.

Maybe Jay can chime in with an answer.

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Numbers are not case sensitive. (me)