Wrong. Why would I need a dedicated app when I have a smartphone? Just make a great mobile site. I check Amazon all the time when I'm out and about, no app required.
And while some place great value in "holding a book in their hands" as a way to evaluate it as a good purchase, I've long since found more value in AMZN reviews and links to "related books you might like" (both on the AMZN book pages as well as in customer reviews). These are way more valuable to me than trying to speed read in the store to get a feel for the goodness of a book (this has often proven faulty, at least for me). To say nothing of the terribly limited selection in any retail store...
So I skip B&N and Borders retail stores altogether (even though there is a Borders store 1 block from my workplace, at least for now). AMZN Prime rules! (and I am just a customer).