You visit one of those Web sites where an ad pops up in front of the text you intended to read, which in itself is annoying enough to make you think twice about visiting the Web site. But what if this is the ad?—


Now what do you do? Do you agree that it is OK that there was an error? That seems to be the only option, since the red X in a circle is not an active link. Nothing but clicking OK will dismiss the white box that blocks the content of the page. But what message is one sending by clicking OK?

Dr. Boli pondered this conundrum for some time. Then he closed the browser tab. Then, just to be certain, he closed the computer.