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 ...

Back when CRT monitors reigned supreme, screensavers were necessary to counteract the effects of display burn-in. These days, there's less of a need for screensavers, but they remain a vestigial part ...