https://techcrunch.com/2017/10/23/google-actively-investigating-reports-of-oled-burn-in-issues-on-pixel-2-xl-displays/

The Google Pixel 2 XL may have just launched this past week, but over the weekend reports began to surface that the device’s OLED screen was already exhibiting signs of burn-in, which left UI elements faintly evident after switching screens.

A Google spokesperson confirmed that the company was looking into the reports.