All human activities are currently interconnected through many communication systems and technologies that are active in the global intensity of industry 4.0. Some technology-based disruptive companies will start and change the role of business in the context of the industrial revolution 4.0 by using social media such as Instagram or WhatsApp which do not require large funds as a scale of capital roles. This technological advancement emerged as a new communication system on information and engineering approaches that were oriented towards the future of the manufacturing industrial revolution 4.0 by involving Computer Information Technology (ICT). As the application of ICT to social life, for more than 10 years we have witnessed changes at all levels of society with new trends in consumer behavior and services accompanied by improvements in hardware and computer access. The ease of service and communication that is integrated by Industry 4.0 is based on mobile computing, cloud computing, and big data with the provision of services that can be accessed globally via the internet. The results show that as a development of the industrial 4.0 work concept, a positive image in this digital era can be concluded that media relations activities in the digital era are carried out by Public Relations practitioners by utilizing digital media such as the use of social media and the use of the organization's own website. The use of social media makes it easy for Public Relations practitioners to do public relations work, such as in disseminating and conveying information to the public. The role and activities of media relations itself in this digital era refers to information and communication technology that can integrate various applications, functions and content of digital media production by providing an efficient influence on interactivity between users. The technology group focuses more on those that have a significant impact on manufacturing, namely: (1) Data, computing power, and connectivity (wireless networks), (2) Analytics and Intelligence (artificial intelligence in objects (AI)), (3) Human-machine interaction (augmented reality (AR) solutions), (4) Digital to physical conversion.