How can you customize notifications in the Messenger service?
What are the steps to create a new group chat on Messenger?
Can Messenger service be used without a Facebook account?
How is user privacy protected on Messenger?
What are the main features of the Messenger service?
What privacy settings are available on Messenger?
How do I add a new contact on Messenger?
Is it possible to make a video call using Messenger?
How can I send a message on Messenger?
What features does Messenger offer?
