The gist is that there is a positive correlation between the accumulation of freely available ebooks by individuals and the sale of hard copies of such material.
That certainly is something worth stopping to think about for a moment.
Perhaps it presents an opportunity to re-evaluate the real impact of the dissemination of such material online... Sounds almost like effective marketing to me.
When I'm all tensed up, blogging relaxes me - Jesus Christ, *Mobil*. (Found in a 1972 CRM textbook.)