"Android's Messages, Dialer apps quietly sent text, call info to Google" - 2022 https://www.theregister.com/2022/03/21/google_messages_gdpr/
"What Data Do The Google Dialer and Messages Apps On Android Send to Google?": https://www.scss.tcd.ie/doug.leith/privacyofdialerandsmsapps...
https://news.ycombinator.com/item?id=30751751