Last year Samsung released a video that explained how screen flicker (which it defines as changes in brightness) can make your eyes tired, cause headaches, eye strain, and even seizures. While the ad was promoting Samsung's OLED television sets, reliable leaker Ice Universe took to his Twitter account to point out something interesting about how Samsung takes advantage of this technology. In his tweet, Ice Universe writes, "It's very funny that Samsung Display uses a video to illustrate the harm of flicker to human eyes, and promotes that Samsung OLED screens are flicker-free (supplied to Chinese brands), but S22 Ultra...