Once the retail is all gone (and most of it will since it can't compete with online in prices or selection), with the exception of food (which is an experience has it's own limitations) what can the mall offer besides experience/activities? Only a few stores really benefit from hands on, and even the people who do stop into a retail store after an hour at the dance studio, or the gym, or the comedy club will still pull out their phone and check amazon to price check items.