Data observability is essential for gaining insights from data, ensuring its accuracy, reliability, and quality, and making informed business decisions. It involves collecting and analyzing data from all system parts, including logs, metrics, and traces, to gain a complete view of the system and identify areas for improvement. Unlike monitoring, data observability provides comprehensive coverage, scalability, and traceability of data, allowing for better analysis of the impact of changes. It facilitates the transition from understanding what's happening to understanding why it's happening, ensuring data quality in terms of accuracy, completeness, consistency, timeliness, validity, and uniqueness. Data observability is important because accurate and relevant data is crucial for business decision-making, and outdated or incomplete data can lead to wasted time and resources, as well as undermine confidence when making data-driven decisions. Implementing data observability enables seamless collaboration between data engineers and scientists, aligns with business digitization, and eliminates data downtime by applying DevOps best practices.