It sounds like they're using the fingerprint scanner check during the online use, so kids don't swap ID logons after they've been let in by a human. I'm going to forward this post to someone who lives in Naperville and get her take on this.
Thanx.
Our library has a separate children's area for computer use and they block access to sites. They also block access in the adult computer area to some types of sites. (like kiddie porn)