News Feed Integrity
Empower the community to have input into comment ranking and surfacing the highest quality comments by introducing new UI controls that allow people to mark comments by up-voting or down-voting. U/D Vote was first announced in F8 2018, then tested in Australia, New Zealand, Brazil, Egypt and major global public pages..
First time experience
Fort the first time in Facebook history, we are letting people rank the position and quality of a comment. Introducing tooltips to emphasize the logic behind Upvoting and Downvoting a comment.
From research, we know that people feel empowered and validated when others agree with their opinion. Notifications can provide a positive reinforcement to good commenters to continue producing high-quality comments.