This week in retail started with the news that Amazon would be opening Amazon Go, a cashier-free, app-based shopping experience concept that I am almost certain will grow into a chain with hundreds, if not thousands, of locations. Amazon pretty much invented e-commerce and now they are sending clear signals that they intend to reinvent physical retail as well.
While the Amazon Go concept is clearly innovative and a great example of competing by creating an effortless experience, it&rsquo....