Silicon Valley investor Marc Andreessen famously said: "Software is eating the world."That still rings true.But there's some munching going on in the hardware world as well: Screens are eating our mobile devices.
Smartphone makers are racing to be first to the zero-bezel smartphone finish line.
And in the laptop market, companies are scrambling to figure out how to put screens on both sides of the clamshell.[ Further reading: The wireless road warrior essential guide ]The reason is obvious: While physical keyboards are superior for typing, screens are superior for every other kind of interface.
By adding a second screen to a laptop, you transform what it is, how it works and what you can do with it.