Abstract
Today, personal computer (PC) becomes a part of our life day-to-day. It changes the way people obtaining information and the way how we use it. The challenge comes with PC and internet popularization is flow of information sources, people got to find the meaning behind it. Many important inventions happen in 20th century; PC, TV, airplane, gene mapping, space science, target therapy and quantum mechanics. Even now, PC still acted important tool supporting innovation and changing people’s lifestyle. The major purpose that people use PC is to efficiency their work, manage personal creation & data. It seems no obvious change on user cases in past 30 years but it was apparent that PC demand has been trending down for years, even today’s PC performance is marvelous. This research starting with history of PC industry evolution and trying to find the potential facts of decline. Through the case study of Apple Inc. it shows a planned long-term strategy to keep company growing, focus on optimum user experience and extending its platform scope to win in Post-PC-Era environment.