The online panel hosted by Comet featured top AI researchers from Google, Stanford, and Hugging Face, discussing their approaches to monitoring and retraining machine learning models in production. Participants highlighted the importance of understanding model performance and identifying when adjustments are necessary to ensure long-term success. Piero Molino from Stanford shared insights from a project at Uber, emphasizing the balance between speed and accuracy in customer support models and the need for monthly retraining based on data distribution shifts. Ambarish Jash from Google AI echoed the significance of assessing a model's aging process and the necessity of a continuous retraining pipeline to maintain model effectiveness, particularly in rapidly changing environments like restaurant and YouTube recommendations. The overarching theme was the critical role of monitoring, retraining frequency, and content freshness in optimizing machine learning models post-deployment.