I totally accept it's not a perfect indication of authorship (or ownership). That's a much harder problem. It's more than a little big of extra granularity wou

I totally accept it's not a perfect indication of authorship (or ownership). That's a much harder problem. It's more than a little big of extra granularity would help. This has been recognized as the case with blogspot.com and it seems like it wouldn't be a bad thing to do to all domains.