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Indeed, Doc, watching the game today is so different it's almost not the same game. And it's better, too. The data, the video, the huge influx of new writing add dimensions we could never even glimpse before.
But what's this 70s thing of which you speak? What about the 60s? Or, ahem, the 50s when we were wee pups, but still . . .
I think you could calculate (or at least estimate) a release point if you had side-angle video