Experts estimate that by 2020, the universe of health data will expand to 25,000 petabytes. 50x more than existed in 2012. Gaining actionable insights requires aggregating data from disparate sources Some of this data is structured But almost 80% is unstructured Electronic health records Medical claims data Data from wearable devices, Physicians’ notes Lab and medical image data Patient reported outcomes (e.g., survey data) Big data analytics tools are helping healthcare organizations make quality of care improvements for both common and chronic conditions