Connected thermometers are monitoring vaccine delivery and storage in real-time. Cameras and sensors in smartphones and tablets are allowing healthcare workers to provide remote diagnosis of disease. And off-grid solar systems, monitored via SMS, are bringing affordable electricity to lower income families. Figure 10 (page 28) highlights how Big Data capacities enable both real-time monitoring and response, and also predictive pattern data analysis, facilitating a shift in strategy from reactive to proactive.