How does Messenger ensure user privacy and security?
Is it possible to use Messenger without a Facebook account?
Can Messenger be used for voice and video calls?
How does Messenger integrate with other apps and services?
What features does the Messenger service offer?
How can I send a message using the Messenger app?
Is it possible to make video calls on Messenger?
How do I manage notifications for Messenger?
What are the privacy settings available in Messenger?
What are the key features of a Messenger service?
