Bill Moggridge was a brilliant industrial and interaction designer and co-founder of design firm IDEO. He designed the first laptop computer, the GRiD Compass and pioneered interaction design as a discipline. Bill also taught at the Royal College of Art in London and Stanford University. He authored 'Designing Interactions' (MIT Press) which was named one of the 10 Best Innovation and Design Books of 2006 by BusinessWeek. Before his death in 2012, Bill was the Director of the Smithsonian's Cooper-Hewitt National Design Museum in New York.In this audio interview with Debbie Millman, he discusses the evolution, design and life to come of the laptop, the 20 year arch of technology and the meaning of human-centered design. Rest in Peace, Bill, we really miss you.