Hmmm. That's new. They already closed any user-defined rooms in the past simply because some users were creating rooms like "preteens sucking D*cks" and other nasty titles. And there were some sections already blocked for underage visitors. But if now all the chatrooms will be closed on Yahoo, I think there won't be any pre-18 left on Yahoo. (Or actually, it will seem that way since they will all just create an 18+ account and pretend to be older.)

Yahoo never checks the age of it's members anyway. Even worse, when a person ages, their account remains their old status. You can be 20 years old but if you created your account 5 years ago and filled in your real age back then, then Yahoo will continue to consider you to be a minor... Pretty stupid anyways.

Apparantly they are putting Yahoo under a lot of fire these days. You can notice this because all those pervs who used to be in the Yahoo chatrooms are now moving to other places where they can chat with underage people...