(2014-02-15) If I Ran Barnes And Noble
Stop making hardware. Well, maybe the EInk version if it's selling well. Maybe OEM partner...
Turn Nook area of store into Genius Bar to install Nook software and create account on any (compatible) device the customer brings in. Give a $10 EBook credit, 1st-year-free in Loyalty Program, or something, as a reward.
Put an Espresso or equiv Print On Demand machine in every store.