"Who ever runs Duolingo’s socials needs a raise," an X user demanded. Scores online poked fun at the new icon: "Duolingo went from friendly to full-on hostage negotiator," someone online noted.

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The nagging goes beyond email subject lines and push notifications; inactive users might look down at their phones to find that the Duolingo app icon suddenly ... longer having fun and move ...

Our app icon reflects this tragic loss ... been about making language learning fun and doing fun things," she told Teen Vogue in March 2022. "Duolingo's culture has never been very buttoned ...