This week, the big language model track continues to heat up, Baidu Wenxin Yiyin was officially released, OpenAI launched ChatGPT-4, PICO will launch PICO 4 OS 5.5.0 system public test activities, DaPeng VR completed a new round of strategic financing, VR social platform Bigscreen launched "the world's smallest headset "The Japanese giants have joined hands to carry out practical trials of "digital human" technology, and Apple CEO Cook has finalized the release of AR/VR headset in 2023. Next, let's review the latest developments of this week's meta-universe with the Speedway Meta-Universe Institute.