Porn Internet Domain Name

I wonder if we will be moving again sometime.
http://news.bbc.co.uk/1/hi/technology/8556364.stm

Interesting article - I don't understand why conservative groups would've objected to the name change - surely anything that makes porn sites more easily identifiable would be useful so they know what to steer clear of?

Have to admit, I'm wondering what a 'pornographic silo' might look like, though