Leverage Data Sources for Effective Push Notification Strategy

##### Scenario A product team wants to improve the quality of push notifications sent to users. ##### Question What data sources would you leverage to design and deliver high-quality push notifications? Which key metrics would you monitor to judge the success of the push notification strategy? Describe how you would measure and quantify any negative impact caused by sending notifications. ##### Hints Consider user behavioral logs, segmentation attributes, A/B test design, engagement and retention metrics, opt-out rates, and ways to compare test vs. control groups.