Here’s a scenario. First, you download an app for a service that has some sort of in-person component, like picking up an order or meeting a driver at the curb. When using that app for the goal, be it that order or that meeting, it’s very helpful to have notifications, since they give you the current status and it can be important to coordinate. You’d like to get a notification for when your order is ready, since that takes away the need for you to repeatedly poll the app and refresh co...