Where is the link to the U.S. Senate investigation? Oh, https://www.reuters.com/technology/cybersecurity/governments-spying-apple-google-users-through-push-notifications-us-senator-2023-12-06/ and
I have often wondered about those calls from unknown numbers where even if I say "hello" it's a non-response. A call answered like that can give a lot more information than cell tower ping records, I guess.

Wyden letter to Department of Justice regarding smartphone push notification surveillance
This is a Dec. 6, 2023 letter from Oregon Senator Ron Wyden asking the Department of Justice to lift any existing restrictions around discussions o...