wilderness - 3:23 am on Mar 25, 2012 (gmt 0)
Every time I go to take a closer look at whitelisting instructions, it turns out to involve a robot identifying itself upfront,
If that's the comprehension, than your misunderstanding it.
The theory is to DENY ALL, and than make exceptions for the visitors you choose.
Bill does lots of tracking by other methods and moving visitors around to track even further.
He's explained it multiple times.