In layman's terms, big data is the Internet data through the analysis of storage and processing to organize a strategic, decision-making, analysis, observation, discussion, and other significance of the huge data. As a simple example, for example, Baidu you eat, Baidu out of the results, set the total number of 100. the results of 58 people answered ate, 28 people answered did not eat, and you, 14 people answered other. Then build a robot can easily chat with you through big data, you ask him to eat, he will answer the answer to the majority of people answered, this is just his simple a statement to facilitate your understanding, the scientific interpretation of big data you still refer to Baidu encyclopedia.