When Steve Jobs unveiled the Apple Macintosh in January of 1984, the visual user interface, all-in-one design, and mouse-controlled navigation were revolutionary. Design team member Andy Hertzfeld and industry observer Steven Levy look back on the early days of personal computing, and talk about how the Macintosh came to be.Transcripts for each segment are available on sciencefriday.com Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.