Instead, users can choose between different availability statuses, including "Appear as inactive", "Switch accounts", and "Turn off notifications".
In December 2017, Facebook announced "Messenger Kids", a new app for persons under 13 years of age.
But bad advertising experiences can spoil a perfectly good app like (for the purposes of argument) Messenger.
Facebook announced a "Home" button as a central location for sending and receiving messages.
It missed points because the communications were not encrypted with keys the provider didn't have access to, users could not verify contacts' identities, past messages were not secure if the encryption keys were stolen, the source code was not open to independent review, and the security design was not properly documented.
As stated by Facebook in its Help Center, there is no way to log out of the Facebook Messenger application.
At the time, the testing was limited to a "small number of users in Australia and Thailand", with the ad format being swipe-based carousel ads.
In July, the company announced that they were expanding the testing to a global audience.