On 15/05/13 10:33, Karen Coyle wrote:

> Of course, rules are just rules, so some duplication of barcodes does
> happen, especially if (usually small) publishers don't want to pay for a
> new one.

And the corollary:

 From I distribute >1000 ePUB files. If 
they all had ISBNs and I had to update a CSS file in each to make them 
more usable on the latest eReader, would I need to consume >1000 ISBNs 
to do that? At the current rate of release of eReaders, how long until 
this single site consumes all available ISBNs?

Stuart Yeates
Library Technology Services