Convergence of the book

The Bookseller has just published a survey of industry-figure guesses regarding future trends (that fade into the past when reality bites). On reflection, what's to stop libraries continuing their evolution into 'Ideas Stores' an give customers the chance to buy books, eReaders, etc.

The truth will be stranger than present trends predict, as someone always comes out of left field to upset the applecart (e.g. Microsoft PCs and software; Apple PCs, iPods and iTunes; Amazon internet retailing; Google search and online advertising).