Big data technology affects business and technology, and has become a hot topic in business and a hot word in technology. The impact of the big data wave is even greater and far-reaching, setting off three major changes in people's life, work and thinking. Big data is hailed as "an ongoing subversive revolution" by far-sighted scientists and businesses. In the face of this revolution, no one wants to be killed, then we must be prepared, understand big data, master big data, and make big ...