At last, at last, the US/UK e-book conversation is getting around to questions of the basic architecture of how we sell, buy, share and keep our e-books. First Charles Stross pointed out on how publishers' insistence on DRM has put them at the mercy of Amazon. Joe Wickert launched a manifesto calling for a "unified ebook market" avoiding the vendor lock-in that is one of the main problems with today's e-book reality. Eric Hellman's latest post shows how needless is the publishers' acquiescenc...