Explore popular offline metrics for evaluating search and recommender systems in this 31-minute video. Learn about Recall@K, Mean Reciprocal Rank (MRR), Mean Average Precision@K (MAP@K), and Normalized Discounted Cumulative Gain (NDCG@K), with Python demonstrations for each metric. Understand the importance of evaluation measures in information retrieval systems, their impact on big tech companies' success, and how to make informed design decisions. Gain insights into dataset preparation, retrieval basics, and the pros and cons of various evaluation metrics. Access additional resources, including a related Pinecone article, code notebooks, and a discounted NLP course to further enhance your knowledge in this critical area of technology.