The era of 1,000 Hz gaming monitors has arrived, but why?

Almost exactly two years ago, we were gawking at prototypes of 1,000 Hz monitors and wondering who really needed a display that could support such ludicrously smooth frame rates. Now that those prototypes are starting to develop into retail products, we're still wondering how much of a market there is for gaming displays that can update with a new frame every single millisecond. The latest entry in the ultra-fast refresh race is LG's 24.5" UltraGear 25G590B, which the company announced this week