The Kobo Libra Colour makes for a nice ’n’ calming-on-the-eyes read, far more so than an OLED or LCD tablet. And its front ...
To ensure 90% of the population could likely not spot the difference, you would need to place a 50-inch 4K TV 5.9 feet away. To extend this threshold to 100%, it would need to be at least 6.8 feet ...