Here's another scary one. If you've watched the addictive Mad Men or the Gruen Transfer, then you'll find out from this story just how commercial and political advertisers and strategists are using the web to build an amazing false world to convince YOU of something that isn't so.
So what, you say, advertising agencies have been doing that forever. Not as well as this, they haven't. You're not concerned? I would be if I had to live in the world they're mapping out for you. You DO need to know this. I'm not sure what you do about it, but it's better to know if there's a pickpocket around rather than pretend there isn't.