The Test Time Training (TTT) technique involves training a model on a small dataset of examples similar to the test data point during inference, rather than relying solely on pre-training and fine-tuning. This approach allows for hyper-specialization in rare data points or unique tasks, achieving high accuracy while being computationally efficient. TTT is particularly useful in complex tasks outside an LLM's original scope, such as medical diagnosis, personalized education, customer support chatbots, autonomous vehicles, fraud detection, legal document analysis, and creative content generation. However, it also comes with drawbacks like increased computational cost, latency issues, risk of poor adaptation, and complexity in integration. By understanding the benefits and limitations of TTT, developers can harness its potential to improve model performance in challenging scenarios.