User-reported data in design can be misleading due to cognitive biases and the subjective nature of human perception. Designers must consider latent knowledge and perceived value, as it often shapes user experiences more than objective reality. Understanding these dynamics is crucial for creating products that truly resonate with users and meet their deeper needs.

Pinterest design lead Vicki Tan explores the complexities of decision-making in her new book, "Ask This Book A Question." She emphasizes the importance of understanding cognitive biases and human emotions in making choices that align with our values, offering insights for designers and individuals alike.

Good design extends beyond functionality and user experience; it must also minimize human error through thoughtful architecture. The article explores different types of errors—skill-based, rules-based, knowledge-based, and violations—emphasizing that human error often stems from design flaws rather than individual mistakes. Understanding these error types is crucial for creating safer and more effective systems.