We explore the evolving landscape of immersive marketing across Meta's virtual and augmented reality platforms, specifically focusing on Quest headsets and Ray-Ban smart glasses. They detail how advancements in hardware, AI, and sensor technology will enable deeply personalized, context-aware, and interactive advertising experiences that go beyond traditional 2D formats. The texts also highlight the critical ethical and privacy considerations associated with collecting sensitive biometric and first-person data, emphasizing the need for transparency and user trust. Finally, the sources discuss the strategic shifts required for brands and marketers to adapt to these new "dimensional" realities, including developing 3D assets, cultivating new skillsets, and redefining how marketing ROI is measured.