1. What's the source of truth for your contact list now? 2. Do you have backups? Can you make them? 3. What guarantees for consistency have you? 4. How do yo

1. What's the source of truth for your contact list now? 2. Do you have backups? Can you make them? 3. What guarantees for consistency have you? 4. How do you know handing over such private info will never be abused? Did you hand out your contact list before to third parties? 5. How do you control the spread of your contact info?