Facebook Messenger now lets brands talk to everyone, regardless of having a Facebook account
Facebook's “Guest Mode” is part of the latest update to the Messenger chat plugin, which allows businesses to seamlessly connect with more customers, regardless of their browser, device, or Facebook login status.
12 Aug 2020 ... Facebook's “Guest Mode” is part of the latest update to the Messenger ... customers, regardless of their browser, device, or Facebook login status. ... “ Guest chats” will end when the user decides to end the chat from the More ...