[OpenID] Provider-side analytics

I was looking over the latest message:

"* Providers can give them much more analytics on their users' 
behavior pattern (this can be anonymous to keep user identity private 
and report something like 30% of people who visit your site also 
visit site 'x')."

I'm thinking that user identity wouldn't really be private if you 
had, say, ONE user from a given Provider and 100% of that OP's users 
who visited your site also visited another site. As favorable to 
enterprise-level RP's as it might be, I have to recommend that such 
statistics - if shared at all - only be available for "popular 
websites" (for visitors to that RP via the OP).

-Shade