Adrian Dumont, a regular library visitor, is a fan of the new screens because he sees “a lot” of users viewing pornographic material.

But Dawn Hawkins, executive director of the anti-pornography group Morality in Media, thinks even more should be done.

“I think it’s definitely not enough,” Hawkins said. “Even with those protector screens, people walking directly behind somebody can see porn. I mean porn in the library? There’s no place for that.”