I'd add consumer brand confidence B&N vs Amazon. In this case B&N needs to overcome at least $50 worth of Amazon's influence to even the odds. Another thing I'

I'd add consumer brand confidence B&N vs Amazon. In this case B&N needs to overcome at least $50 worth of Amazon's influence to even the odds. Another thing I'd add is brick and mortar retail availability - in this case I believe the Nook is also available at Target as well as B&N's stores, and that might influence some shoppers who want to try before they buy.