The ability to use big data can be divided into: authenticity and availability of data collection. Ability to correctly analyze and compare data. Result data usage ability. The foundation of all big data application capabilities is data authenticity.
Advantages and disadvantages of big data: the generation of a large number may pose a certain threat to the country, but the big data generated by the superposition, analysis and comparison of several related big data will pose a great threat to the country and industry. The pros and cons of big data lie not in the data itself, but in the data users.
The emergence of new things in any industry will bring innovation and destruction. What we can do is to make relevant preparations in advance before problems arise.