What are the steps to block a contact on a Messenger service?
How can I customize notifications in a Messenger app?
What are the privacy concerns associated with using Messenger services?
How does end-to-end encryption work in Messenger services?
What are the main features of a Messenger service?
Can you use Messenger without a Facebook account?
How do you create a group chat in Messenger?
What privacy settings are available in Messenger?
How can you send a voice message using Messenger?
What are the main features of the Messenger service?
