If everybody were to block all Ads a great number of sites would go down; in fact I seriously believe the Internet would become a place full of Fan Forums, some big Forums sponsored by lovers of the subject; Company Sites; and MSN.
I thought Firefox users loved Google?
Precious Google would dry up in a few days without Advertising - if indeed their love-child Firefox didn't roll out a patch that forbode the Firefox Adblocker Hack from blocking Google Adverts. I suppose its possible...