In 2015, Matt Stone listed this episode of South Park as his third favorite that used a screen-capturing program for what operating system?
Snapz Pro X: Snapz Pro X is a utility program for macOS developed by Ambrosia Software. Snapz Pro X:  It is designed to record movie-like screenshots of a computer monitor doing various actions, such as a user moving their mouse across the screen, clicking on desktop icons, typing text, et cetera.
i don't know