@ Robert Hill
>And targeting is a KEY requirement now that click-through rates have fallen so low.
And why are click-through rates so low? Because everyone is getting tired of having advertising, promotions, and "product placement" thrown at them every time they turn around! To hear the ad companies, unless everything that you do (including the time you get up to use the loo, what color it was, and how many times you wiped) is recorded, analyzed, and stored in a database indefinitely, then every business will soon be bankrupt and the internet will go dark.
I wouldn't mind subtle, appropriate advertising on the pages I browse...but I do have a problem with adverts that get thrown in front of the content I'm trying to see (pop-ups and flash ads), surprise me (pop-unders and on-unload popups), are annoying (just about every form of banner ad I've seen), or are malware-laden (a smaller, but still significant, percentage of ads). Until the ad companies figure out some way to serve adverts that aren't intrusive and they adopt very stringent privacy practices (including information anonymazation with a very short shelf-life), AdBlock and NoScript will remain staples to install on every single machine I touch.
I would like to know, how did businesses every survive, let alone turn profits, before this wonderful ad-machine called the internet?