Nah, I remember them well. Not nearly obvious enough, though. Where was the blinking, eh? And the scrolling marquees? Where was clippy? Where were the obscenely annoying popups that cover the entire page until you have carried out their bidding, Quora-style?
You may not remember but the old vBulletin forum had this.
Notices would appear at the top, under the navigation, on every page.
The only way to get them to disappear was to do what they asked.