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There is no doubt that we are fully immersed in the digital age. Daily activities, including social interactions, have progressively shifted from face-to-face environments to virtual platforms. In this context, fields such as advertising, public relations, and journalism have had to adapt to technological transformations in order to remain relevant in an increasingly digitalized market. The strategic use of emerging technologies can be highly beneficial, provided their dynamics and potential are properly understood. This article examines the impact of the digital era on these three areas, highlighting the structural and functional changes they have undergone. The methodology used follows an explanatory approach aimed at deepening the understanding of the phenomenon through data collection and analysis. In addition, specialized bibliographic sources were used as theoretical support to substantiate the findings and ensure academic rigor throughout the study.