Many "news" about the imminent death of PC are appearing around despite its 30th birthday, replaced by smartphones and tablets. What's true in that? Let's look for a moment at the past history, and the personal computer revolutions. Before that there was centralized systems from which you could rent some processing time and highly proprietary systems using software paid yearly (clouds, anyone?), and consumer electronics were made by highly specialized devices that could usually only consume proprietary contents.