Hiding photos on Facebook may not actually work as well as you think it does.
Picturebook, a browser extension now available in the Chrome web store, claims to allow you to “view hidden photos of anyone on Facebook”— even if you aren’t friends with them
See also: How to find old Facebook posts
Sounds like a Facebook creeper’s dream, right? But though Picturebook’s description is technically true, it is also misleading
No app or browser extension — this one included — is able to change the privacy settings of someone else’s photo. What Picturebook is really doing: surfacing photos that you could have seen anyway, even if a user tagged in them hid them from their timeline …