Then the logic question as far as the OP's original topic is this:
Can any app truly be a substitute good for a sweetened beverage with stimulants in it? I would say no. It doesn't matter how much people are willing to spend at Starbucks. It has virtually no bearing on how they'll value your app.
Can any app truly be a substitute good for a sweetened beverage with stimulants in it? I would say no. It doesn't matter how much people are willing to spend at Starbucks. It has virtually no bearing on how they'll value your app.