Can Messenger be used without a Facebook account, and if so, what are the limitations?
How does Facebook Messenger ensure the privacy and security of its users' messages?
What are the key features of a Messenger service that enhance user communication and engagement?
What features does Messenger offer for business communication and customer service?
How does Messenger ensure the privacy and security of user conversations?
How does Messenger use artificial intelligence or machine learning to improve user experience?
What options are available for customizing notifications and chat alerts in Messenger?
How does Messenger handle integration with external apps and services for enhanced functionality?
What features does Messenger offer to support group communication and collaboration?
How does Messenger ensure user privacy and data security during message transmission and storage?
