It probably seems obvious, stating that companies should listen to their customers and that they need to be evidence-driven when executing their product strategy. But I've found that it's much easier to say than to execute in practice.

There are a number of reasons for this, but in my experience I've found that the largest barriers are organizational structure, budget constraints, and cultural inertia. It's difficult for any of us to admit we may not be right about something. But being...