Artificial intelligence also called AI, is very popular at present, because it changed our life. In addition, we believe AI will have the power to change the whole world in the future. In general, AI is a subject that study how to mimic human intelligence by using computer. It includes many fields, like reasoning, knowledge representation, machine learning and so on.
Virtual reality is another hot field in the recent years. However, it fell down two years ago because of some technicial difficulties. We believe these technical difficulties will be solved in the future and virtual reality will be everywhere in our lives. In general, virtual reality is interactive experience that is generated by computer. It is a simulated environment.
Cloud computing is a very convenient techinque for almost everyone. It allows flexible allocation of resources. It needs another technique, which is called virtualization.