If they were smaller, perhaps you would purchase fewer iPhones; if they were smaller, perhaps you would purchase fewer MacBooks -- is the category Apple is trying to create with its new iPad sustainable? Is there a reason that…

In another in our series, "The Next Chapter of Reading," Jeffrey Brown talks to Wired staff writer Priya Ganapati, who is at the International Consumer Electronics Show, about what she's seeing in the latest e-reader products.