Just watching Discovery Channal, it is predicted, approximately 2075-2100, humans may unlock the mystery of death, and there is no death. I don't believe! Any substance that violates the law of natural laws can exist, so may not be dead, but eternal disappearance! However, there is a sentence in the program, Death is the necessary conditions for the evolution of species. Software Engineering has experienced early structured programming to the present object-oriented programming. Object-oriented programming is a macro concept, on the microscopic level, still structured programming. SO, the general process of human exploration things is from microscopic -> macro? Things are built with a structure similar to a wooden structure, complex total can be made simple, and understanding complex transactions always start from simple things. Software, at the earlier period, pay attention to data; today, in the era of object-oriented development, pay attention is business, demand, business logic; tomorrow? Matrix? ...