... and just to prove my point

Morten Lund (who will forever be known as a Skype investor although he does other things) has blogged this. It is a web service that sits on the end of a PDF workflow and converts the files into a virtual book or magazine that is searchable by Google
http://www.pagegangster.com/

Now if you can just combine this with a feed into the local digital printer who can rattle you off a copy and post it to your home address...