**How does end-to-end encryption work in Messenger, and is it turned on by default for all conversations?
2. **What are some of the key features in the latest update of the Messenger service, and how do they enhance communication?
3. **Can I use Messenger without a Facebook account, and what are the limitations if I choose to do so?
4. **How does Messenger handle data privacy and what options do users have to control their data within the app?
5. **What types of multimedia files can be sent through Messenger, and are there any size restrictions on the files?
How can I enhance privacy and security while using the Messenger service?
What are the key differences between Messenger and other popular messaging platforms?
How does Messenger integrate with other Facebook services and third-party applications?
What are the steps to troubleshoot common issues encountered on Messenger, such as message delivery failures or app crashes?
How can businesses effectively utilize Messenger for customer communication and support?
