Big data refers to massive data that is so large that it is difficult to obtain, manage, process and organize it into useful information through general software tools. It has four characteristics of large volume, high speed, diversity and value, and is considered to be the new century human The "new wealth" and the value "comparable with oil", the developed countries have taken the development and utilization of big data as an important goal to win a new round of commanding heights. What does this text mean? ['There is still technical difficulty in processing big data.', 'Huge value is hidden behind big data.', 'Developed countries have taken a step forward in the development and utilization of big data.', 'Development and utilization of big data has become a hot spot in national competition.']