The rise of new digital technologies is driving the change of various industries around the world. Henceforth, the fourth industrial revolution has opened a new era to the aviation industry through higher levels of automation and digitalization implementations. The digital transformation of airports is expected to bring seamless experiences to passengers through the implementation of industry 4.0 pillars. Customer expectations have elevated as the aviation industry in Malaysia transforms into Airport 4.0 for the future. The objective of this study was to evaluate the nine industry 4.0 elements in enhancing the customer expectations in Kuala Lumpur International Airport by focusing on the diffusion of innovation theory. Additionally, the study was conducted among the millennials to further enhance the significance between Airport 4.0 and its cohesion to this group. Quantitative research using simple random sampling technique was conducted by distributing questionnaires using the online .....

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