Mobile UXfromThe Verge2 months agoDuolingo is replacing hearts with energyDuolingo is shifting from a hearts system to an energy system to promote learning motivation rather than penalize mistakes.
MiscellaneousfromMedium8 months agoWhy over 100 million athletes are hooked on StravaStrava's design taps into social engagement to boost user motivation and retention through storytelling and community features.