Screensavers were created to prevent CRT monitor burn‑in by replacing static images with moving ones. LCDs eliminated burn‑in, making screensavers largely obsolete for over a decade. Modern OLEDs can ...

Way back when: People used screensavers to prevent "burn-in" on CRT monitors, where static images could permanently damage the screen. Screensavers like 3D Pipes animated the display during inactivity ...