Explore a comprehensive conference talk that delves into the multifaceted applications of Mixed Reality (MR), Augmented Reality (AR), and Virtual Reality (VR) technologies. Discover how these immersive technologies extend beyond visual experiences to incorporate user data and interactions across diverse sectors including cultural heritage preservation, educational environments, gaming platforms, and entertainment industries. Learn about practical implementations and real-world applications while gaining insights into both current technological capabilities and future possibilities in the field. Delivered at Data Science Conference Europe 2023 in Belgrade, gain valuable knowledge about how these emerging technologies are shaping various industries and transforming user experiences.