How does Messenger integrate with Facebook and Instagram?
What options are available for customizing notifications in Messenger?
How can I set up group chats in Messenger?
What are the main features of Messenger?
How does Messenger ensure user privacy?
Is it possible to use Messenger without a Facebook account?
Can you make voice or video calls on Messenger?
What features does Messenger offer?
How can I send messages on Messenger?
What is Messenger used for?
