We’ve always wondered why any (and every) bookstore–chain or indie–doesn’t offer to ship you for free any book that is not in stock. After all, in an internet-everywhere age, customers know they can go to any browser and accomplish the same thing. But Borders appears to be the first to figure this out, announcing today a “promise to customers that if they do not find an item in stock in a Borders store, and that item is among the more than one million titles available on Borders.com, Borders will find it and pay the shipping costs to the customer’s home.” […]