Facebook's new downvote button is just a test

Facebook's test for downvoting comments.

Meta

• Facebook is testing a downvote feature for comment sections. It's designed to cut down on spam.
• It would allow you to downvote comments that aren't "useful."
• Facebook has tested a dislike or downvote button before, but it never stuck. Will this be different?

Mark Zuckerberg has vowed to make Facebook great again, and Meta announced a tiny new feature that might be a step toward that goal.

As part of a series...