caribguy - 6:31 pm on Jan 12, 2009 (gmt 0)

Anything with Kontera, Intellitext or Snap in its name.

Anything that interferes with productive browsing and requires user action to dismiss (or worse, can't be skipped): overlay ads and surveys, interstitials before playing video content, ads that show up in-between pages.

But most of all the dangling top-right corner that reveals a full page ad when hovered over...

Maybe it's just me...