Due to increasingly competitive is required the companies to provide personalized products and services. This contributes not only to ensure custumer satisfactition, but also to require application of modern technical solutions like digitized solutions, specialized software, automation of production and services. All these changes are the foundation and the specificities of the fourth industrial revolution ("Industry 4.0)." This article performs the key features and principles of Industry 4.0, just like and the role and the requirements to the human factor. In this connection there are different scenarios applicable to companies in the light of the fourth technological revolution.