Apple spent heavily to create the Newton PDA years before mobile hardware, handwriting recognition, wireless networks, and component economics were ready for the vision.
Lisa commercialized a sophisticated graphical interface at enormous product complexity and a $9,995 price, failing commercially while transferring crucial knowledge into Apple's Macintosh future.
Intel's 1103 DRAM turned the young company's founding thesis about semiconductor memory into a best-selling product and accelerated the replacement of magnetic core memory.