After a recent thread +Andrij Harasewych  in The Moderators community this development looks like a worry. This is probably why Facebook has been alerting me to the "other" section of my messages.
Facebook tests system to charge $1 for some messages

Facebook said Thursday it has begun testing a system for users to send messages to people outside their circle of contacts for $1.

In a statement posted online, Facebook cited research showing that "imposing a financial cost on the sender may be the most effective way to discourage unwanted messages and facilitate delivery of messages that are relevant and useful."

More on the story from the Wall Street Journal here.
Shared publiclyView activity