(Authors, this is a dummy entry I’m using as a placeholder to develop a series of articles reviewing the prognosticatory success of a pair of books “Future Stuff” and “More Future Stuff” published in 1989 and 1991.)
Taking the entries in order of publication, we see the following entry in the chapter “Stuff You Wouldn’t Believe”:
“Levitation Vehicle:
Odds: 100%
ETA: 1991
Price: $100,000
This is the stuff of comic books, sci-fi magazines, and the dreams of generations of little boys who loved machines. It’s called the Moller 400.” … [REALLY! I didn't make it up!]