Facebook: Remove "Seen by" feature from group posts!
Facebook now shows everyone in a group who has seen each post in the group. This means that if you are in a group, someone in the same group (whether it's your ex, a romantic interest, or a creepy stranger) can track your online activity simply by checking which posts you read and at what times. What's even scarier, when asked by TechCrunch if they would ever apply this feature to the news feed, Facebook responded saying that they were "not going to discuss what we might (or might not) do in...
(2) refrain from ever adding this feature to news feed posts. Why is this important? Facebook now shows everyone in a group who has seen each post in the group.