Sonic is the largest drive-in restaurant chain in America with over 3,600 locations. It created a mobile app to modernize the customer experience. The app has been very successful, with over 8.5 million active users generating a large portion of sales. Sonic is taking a platform approach to further innovate digitally. This involves developing a digital innovation platform to rapidly create new features across channels. Key platform innovations discussed include using business metrics for monitoring, implementing synthetic testing, and conducting chaos engineering experiments.