Samsung’s latest ad takes a literal punch at Apple’s iPhone Duo and more specifically, its sidebar. That’s the new adaptive navigation system implemented on the Duo, where UI elements are pushed to a vertical column on the side. It’s been a major talking point for the Duo and a cause for plenty of criticism as it eats up a significant portion of the device’s screen real estate. And Samsung naturally decided to make a short ad that mocks the Duo, simulating the sidebar with a piece of black tape placed on its own Galaxy Z...