Are they? https://en.wikipedia.org/wiki/Scrollbar#History_and_progression https://en.wikipedia.org/wiki/Scrollbar#History_and_progress...: “Between 1981 and 19

Are they? https://en.wikipedia.org/wiki/Scrollbar#History_and_progression https://en.wikipedia.org/wiki/Scrollbar#History_and_progress...: “Between 1981 and 1982, the Xerox Star moved the scrollbar to the right to get it out of the way and reduce visual clutter.” Edit: original question said “on the left”. That page has examples of systems with scrollbars on the left, though (I don’t think I’ve ever seen scrollbars on the top of a window)