I tested a few viral travel gadgets to see if they're worth the hype. This is the Mobile Pixels Dux Max, a 14-inch 1080p portable slidable monitor. I actually really like the idea of having a monitor that slaps on the back of my laptop and can slide out when I need it.You do have to stick four magnets on the back of your laptop that will just stay there forever as long as you want to use this. So, what I do like about the monitor is that if you want to power it not through the laptop and plug it into like a ...