Old Macs weren't powerful enough to draw fancy zoom effects. Instead, classic Mac OS, at least through System 7, would draw a series of rectangles[1] (third and

Old Macs weren't powerful enough to draw fancy zoom effects. Instead, classic Mac OS, at least through System 7, would draw a series of rectangles[1] (third and fourth pictures) from the icon you double-clicked to the location of the window to show it opening. [1]: http://toastytech.com/guis/macos1.html http://toastytech.com/guis/macos1.html