Part of Xerox's paroblem suing Apple would have been that it got its ideas elsewhere too (e.g. Alan Kay "discovered" OO programming after reading the source cod

Part of Xerox's paroblem suing Apple would have been that it got its ideas elsewhere too (e.g. Alan Kay "discovered" OO programming after reading the source code of a simula compiler; most of the GUI concepts came from Englebart's lab)