What are the customization options available for message notifications in Messenger, such as muting specific chats or setting custom alert tones?
How does the Messenger service handle the synchronization of chat history across multiple devices?
What features does the Messenger service offer for managing group chats, such as adding or removing participants and setting group admins?
How can users ensure their privacy and security when using a Messenger service, including adjusting settings for who can contact them?
What are the primary features of the Messenger service that differentiate it from other messaging platforms?
How does Messenger ensure the privacy and security of its users' communications?
Can Messenger be integrated with other apps or platforms for business purposes, and if so, how?
What are some recent updates or changes to the Messenger app that users should be aware of?
How can users troubleshoot common issues they might encounter while using Messenger?
How does end-to-end encryption work in popular Messenger services to ensure user privacy?
