This book talks mainly about Steve Jobs whole life ,I am very sad that Steve passed away in 2011,when I am one year old.He passed away because of a deadly cancer which was in the stomach. But people now still remember him because he and his friend Woz changed our lives, they invented iPods,iPads, iPhones and many other technologies that are very useful now.When it was in 1955-1978 people are still using phone books or calling 114!But see now,we use phones or other intelligent technologies to help us do all the things,and I guess maybe they the technologies are so smart that they may replace humans!