diff --git a/63.md b/63.md
index 7d029971..d4d6b5f8 100644
--- a/63.md
+++ b/63.md
@@ -43,3 +43,4 @@ The goal is to be able to support `AUTH` from multiple users in the same connect
 
 Trusted proxies can use these event types to query relays on behalf of the user. 
 
+Push Notification systems can use these events to download events from private relays and push them down to mobile phones. 
\ No newline at end of file