The increasing cry for pop-up blockers makes it blunt that users are extremely annoyed with these intrusive advertising.
On the other hand, publishers are becoming more innovative for the ways to annoy their readers. The most notorious offenders have always been the trade magazines who generally employ dog-ear pullback and other flash ads that virtually take over the entire screen.
In fact, TV ads are loosing their effectiveness this time around and publishers are seeing it as an opportunity to embed more ads into their text.