Facebook Groups Let You See Exactly Who Has Viewed Your Photos, Too – TechCrunch
In July, Facebook rolled out a new "seen by" feature for groups, which let people know who has seen a post or announcement in that group, and when. And, although Facebook didn't make much of a song and dance about it at the time, it looks like it is actually offering this feature on photos, too. …
12 Aug 2012 ... I joined Zhao's daughter's page as well, and I could also see the names of all the users who had viewed each photo. This feature doesn't seem to ...