I remember an uproar at Flag, I think around 1980, when this tape was inadvertently released to be sold in the FSO bookstore. There was a huge effort to get every copy back, with the shore story being that this was only for Class XII C/S's
This jogged my memory. The whole BT thing which Hubbard talked about in 1967, reminded me of an Outer Limits episode written by Harlan Ellison (who knew Hubbard) in 1964
In the episode, the entire human race had been encoded and implanted...