> Are there any major jurisdictions where this is actually a requirement? For starters, twelve states in the US, including California: https://en.wikipedia.org

> Are there any major jurisdictions where this is actually a requirement? For starters, twelve states in the US, including California: https://en.wikipedia.org/wiki/Telephone_recording_laws#United_States https://en.wikipedia.org/wiki/Telephone_recording_laws#Unite... And telecom companies (Google acting in the role of a telecom company in this case) have certain responsibilities and liabilities if they facilitate illegal recordings.