Many computer companies have started manufacturing computers or computer programs, but many companies fail to satisfy their customers. Failed companies had only focused on computer technology without understanding social trends. For example, Steve Wozniak had the sense to pursue cutting-edge technology and helped create a personal computer system. Furthermore, Bill Gates also realized that computer technology had a vision and would be a driving force for a long time. Like these celebrities, understanding or becoming aware of the global trend takes a huge part and is a matter of ability that IT people should