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1983: Apple’s Lisa is the first personal computer with a GUI. Lisa also has a drop-down menu and icons. It failed but eventually evolved into the Macintosh. The Gavilan SC was the first laptop to have a familiar flip form factor and the first to be marketed as a “laptop”. 1983: Hewlett-Packard 150 is born, representing the first step in expanding today’s technology. The HP 150 is the first computer to be commercialized with touchscreen technology. People think it’s magic but we call it engineering mug. The product’s 9-inch touch screen is equipped with infrared receivers and transmitters around it to detect the user’s finger position. 1985: Microsoft announces Windows (Encyclopedia Britannica). This is the company’s response to the Apple GUI. Commodore announced the Amiga 1000, which features advanced audio and video.