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Duolingo's tooltips helps users to keep track of their progress by keeping the interaction more personalized
Duolingo nudges its users to view their course progress using a tooltip during their learning session.
This helps users understand whether they have to increase or decrease their pace of learning.
Positive reinforcement, such as acknowledging progress or suggesting improvements, motivates users. Tooltips serve as subtle reminders and motivators, enhancing the overall user experience.