Learn how to integrate machine learning models and APIs into Streamlit applications in this 15-minute tutorial video. Explore the process of creating a vector database for efficient information retrieval, and implement a retrieval system within a Streamlit app. Gain hands-on experience with key Streamlit components such as write, text_input, and container, while also discovering how to leverage external libraries like Bootstrap for rapid app development. Master the use of caching techniques to optimize app performance and create a responsive general knowledge Q&A interface.