> You can't message someone you're not friends with can you? Yes you can. I don't have any 'friends' on Facebook but have a long list of Messenger contacts an

> You can't message someone you're not friends with can you? Yes you can. I don't have any 'friends' on Facebook but have a long list of Messenger contacts and groups. That's probably more useful information to Facebook than some nebulous graph of people I vaguely know. Messenger contacts are those with whom I actively engage.