Every one of these belongs to someone.
Vertical, endless, made on request. Hover any frame to hold the rail.
Three things only generated entertainment can do.
Audience1
It is generated, not selected
Nothing is picked off a shelf and pointed at you. It is built from scratch, and it does not exist until you arrive.
InputYou
It answers back
What you do changes what happens next. You are in it, not sat in front of it.
Catalogue∞
It never runs out
There is no library to reach the end of. The next one is made when you ask for it.