How is Messenger different from other messaging apps?
Can I use Messenger without a Facebook account?
How secure is Messenger?
Is Messenger available on all devices?
What are the main features of the Messenger service?
How can I send a message using Messenger?
What platforms is Messenger available on?
How do I manage notifications in Messenger?
What privacy settings are available in Messenger?
How does Facebook Messenger ensure the privacy and security of users' messages?
