Are two displays better than one?

THE ZenBook Pro Duo was unveiled at Computex 2019 in Taipei earlier this year. It is the flagship of Asus's ZenBook range and also what the brand calls the "laptop of tomorrow". Essentially, it's a powerful 15-inch notebook with an eight-core processor, discrete NVIDIA RTX graphics, loads of memory, and two displays.

Two displays?! Yes. I kid you not.

The main display measures 15.6 inches across and uses an OLED panel that supports 4K resolution (3,840 x 2,160 pixels). It's an impressive and stunning display, easily one of the best displays I have seen on any laptop. Unfortunately, its glossy finish means it's highly prone to glare and refle…