In the last few days, Facebook has started quietly rolling out a secret "dark mode" for Messenger that gives the app an inverted, whitetextonblackbackground look The color scheme makes it Facebook Messenger Icon Red Triangle Exclamation A red triangle with an exclamation point should only appear if your message is not sent due to an internet connection outage A message should appear alongside the red triangle that says "This message didn't send Check your internet connection and click to try again" Facebook Messenger is an easy way to freely communicate with people across the globe It works as a part of a phone's data plan, allowing users to send messages, share photos and videos, or show
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