Quantitative differences eventually become qualitative ones.<p>Nobody cares about any <i>one</i> particular data point being published; it&#x27;s the collection of all of them that&#x27;s revealing.  See the &quot;metadata&quot; debate that&#x27;s been going on for a year or two now.<p>I suspect that most folks would be willing to self-publish their checking account balance on one random day.  But every day for a year, or their whole lives?  Probably not.  You have to marry me if you want to have that kind of information.