Explore the critical roles of data contracts and observability in ensuring data quality and reliability in this 14-minute talk by Mark Freeman. Gain insights into how these two approaches complement each other, with data contracts preventing known issues and observability detecting unknown problems across the entire data system. Learn why implementing both strategies is essential for maintaining data integrity and efficiency in your organization. Discover real-world examples and practical applications as Freeman, a senior data scientist at Humu, shares his expertise in building data tools and driving data maturity. Understand the importance of these concepts in improving data reliability and efficiency, drawing from Freeman's background in clinical research, experimental design, and statistics.