The survey was conducted by Bitkom in Germany where 20 major companies were surveyed. The result shows the main 5 technologies that were considered in Fourth industry companies,

In my opinion, Big data is no doubt in any industry is a major technology needed for any decisions to be made and also helps in forecasting the present data. The opportunity provides information related to the latest tech and how the implementation is helpful in Industry 4.0.
Source:- Bitkom