The episode delves into "Memory Layers," an innovative system designed to enhance the efficiency of Large Language Models (LLMs). This approach relies on trainable memory layers, structured as key-value pairs, to store specific information while reducing computational load. Tests reveal high performance coupled with significantly lower energy consumption compared to traditional architectures. The design emphasizes scalability and selective memory updates, making it an ideal solution for business applications. The source code is available on GitHub, encouraging experimentation and adoption across various fields. The system has proven particularly effective for tasks such as question answering and assisted programming.