Knowledge Navigator is aconcept that was introduced by Apple in avideo demonstration from 1987. The demonstration showcased a futuristic personal assistant that utilized advanced AI to provide information and assist users with various tasks through anatural user interface. It featured a digital assistant that could engage in conversation, access vast amounts of information, and present it in a user-friendly manner. In the presentation, the Knowledge Navigator used acombination of voice recognition, touch interfaces, and graphical displays to facilitate interaction.