BigDave - 7:06 pm on Apr 22, 2005 (gmt 0)

You get to pick and choose what they track

No, what you get to do is pick what they show you out of what they track. They can certainly still keep track of what you are doing. They have been doing this for years.

This just gives them a way to associate your searches with more specific personal information.

But you are right, if you don't want that to happen, don't use the service.