With the great development of machines, the rise of research sciences can help medicine achieve remarkable achievements: new cures appear to help people live longer, overcome more serious diseases. In the future, it is likely that the main source of energy will be solar energy rather than risky nuclear energy. It is predicted that countries will gather solar energy satellites in space and absorb solar energy to serve needs on the ground. We will get used to having to have many faces with each different social relationship, like having multiple mail accounts for work or friends. With the development of social networks such as Facebook, Twitter ,... the concept of personal privacy will probably not exist for more than a decade.
