This is some interesting watching about cloaking and how it still goes on and works great from an old pro: http://www.casinoaffiliateprograms.com/webinars/thanks22/ Its a bit of a sales element at the end but the admission that link building is still a hugely important part of this method was a real positive. I do wonder, if someone had the budget, the kind of damage that could be done with some software like this and their own private built blog network though!