Vinoaj Vijeyakumaar discusses how to build great user experience using data. User experience is about both using the product and the lasting impression it leaves. To understand users, companies can analyze web analytics, search trends, and social media intelligence to understand what users want and are saying. Combining on-site behavior data with global and social data can provide insights, though correlation does not always equal causation. Understanding audience data can help measure engagement and behavior to improve user experience.