XR refers to extended reality, including VR, AR and MR. Through wearable devices and computer technology, XR can bring the real and virtual environment and human-computer interaction to the audience, realizing the “immersive” experience of seamless transition between the virtual world and the real world. In fact, XR is not a new concept.✊✊$NVIDIA Corp(NVDA)$ $WiMi Hologram Cloud(WIMI)$  Who will be the new leader?