Facebook: call, text history logging requires users' permission
https://www.reuters.com/article/us-facebook-data-history/facebook-call-text-history-logging-requires-users-permission-idUSKBN1H10Z5
Facebook Inc, responding to reports in some technology industry media that it has been logging users' call and text history without their permission, said in a statement on Sunday that the function "has always been opt-in only."