I disagree. Well, strictly speaking, asking for identifying information might be OK, but storing it or communicating it to other parties is not, at least not wi

I disagree. Well, strictly speaking, asking for identifying information might be OK, but storing it or communicating it to other parties is not, at least not without some justification why that is needed. Control over your personally identifiable information is similarly important in the modern world as is control over your property, and where the two come into conflict, appropriate solutions have to be found.