1. The AI video generator, Phenaki, has been developed by researchers at the University of California, Berkeley, and it can create highly realistic and dynamic videos from text prompts. The system uses a combination of large language models and computer vision techniques to generate the videos, which can depict a wide range of scenes and actions.

2. Phenaki's capabilities are showcased in a video that depicts a character named Sora, who was previously created using the AI system Stable Diffusion. In the new video, Sora is shown engaging in various activities, such as cooking, exercising, and interacting with other characters, all of which were generated entirely by the Phenaki system.

3. The researchers behind Phenaki believe that this technology could have a significant impact on the entertainment industry, as it could potentially be used to create high-quality animated content more efficiently and cost-effectively than traditional methods. However, they also acknowledge the ethical concerns surrounding the use of AI-generated media and the potential for misuse, such as the creation of deepfakes.