> Digital libraries destroy this balance. The content of books is available to everyone, instantly, at maximum convenience. They certainly don't have to operat

> Digital libraries destroy this balance. The content of books is available to everyone, instantly, at maximum convenience. They certainly don't have to operate that way. You could have nearly the same incentive structure (minus the cost of actually commuting to a library) if they purchased their goods and only offered time-limited checkouts up to the number of copies they've purchased.