PowerBook 100

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The PowerBook 100 is a laptop computer designed and manufactured by Sony for Apple Computer and introduced on October 21, 1991, at the COMDEX computer expo in Las Vegas, Nevada. Priced at US$2,500 (equivalent to $5,900 in 2025), it was the entry-level model in the original PowerBook line, below the mid-range PowerBook 140 and high-end PowerBook 170. The PowerBook 100 reused much of the architecture from its predecessor, the Macintosh Portable, including its 16 MHz Motorola 68000 processor, but packaged the hardware in a substantially smaller enclosure. To further reduce its size and weight, it omitted an internal floppy disk drive in favor of an external drive. Like the other original PowerBook models, it placed the trackball in front of the keyboard, creating a palm-rest area. This arrangement was later adopted by many notebook computers. Apple discontinued the model on September 3, 1992, replacing it with the PowerBook 145 as its entry-level notebook, while the PowerBook Duo line became its subcompact offering. In 2005, Mobile PC magazine ranked the PowerBook 100 the "#1 gadget of all time", and in 2006, PC World ranked it the tenth-greatest PC of all time. From 1990, John Sculley, then CEO of Apple, oversaw product development personally to ensure that Apple released new computers to market more quickly. His new strategy was to increase market share by lowering prices and releasing more "hit" products.