출처: http://www.asymco.com/2012/01/17/the-rise-and-fall-of-personal-computing/
저자: Horace Dediu
날짜: 2012. 1. 17
출처: http://www.economist.com/blogs/graphicdetail/2012/02/daily-chart-13
날짜: 2012. 2. 22
출처: http://www.asymco.com/2012/01/17/the-rise-and-fall-of-personal-computing/
저자: Horace Dediu
날짜: 2012. 1. 17
출처: http://www.economist.com/blogs/graphicdetail/2012/02/daily-chart-13
날짜: 2012. 2. 22