Sent: the total number of users in the audience selection. These users will all have this news item show up in their "My News" in the news tab.
Delivered: the number of who received a push notification about the new news item that was published in their "My News" tab
Failed: the number of people in the audience selection that did not receive a push notification. These users will still have this news item show up in their "My News" in the news tab, but just won't receive a push notifications that they have a new news item.
Reasons a Push Notification Would "Fail"
- The user asked to not receive push notifications in the on boarding prompt.
- The user turned off push notifications in their phone settings.
- The user uninstalled the app from their phone.