…I do not believe that we can complete the suggested new research on this thread…
Breathe, reflect, let go, repeat.
The demo scene emanates from the cracking scene
the fully formed scene exists in mid 1980s and that this scene is predominantly swapping cracks (with intros) and to a much lesser extent demos (which by this time tend to look like standalone intros minus the size cap, wonder why) as described in Newscopy's article.