There's never been more data available, and it's all a lot more accurate than it used to be. That doesn't always mean there's more understanding. That's because human perception is an often counter-intuitive system that requires false, "noisy" data to function effectively.
This piece examines the intricate relationships between data, patterns, and perceptions, and the fundamentally different ways experts and novices interpret them. It might help you in thinking about your next UX project.