I said this elsewhere, but I believe the problem is that underage Tumblr users are posting photos of themselves. As far as I know, that tool detects photos tha

I said this elsewhere, but I believe the problem is that underage Tumblr users are posting photos of themselves. As far as I know, that tool detects photos that have been previously identified as underage, not the age of the person in the photo, and whether or not it contains lewd content.