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hktitan/duolingo

v2.0.0MIT

The Duolingo playbook as agent skills — retention, streaks, gamification, learning science, curriculum, efficacy measurement, metrics, experimentation, growth, brand, voice, culture, hiring, platform and mobile engineering, observability, and LLM feature design. Distilled from 750 posts on blog.duolingo.com plus the Duolingo Handbook and Design System. Start at the /duolingo router; design and UI craft routes out to design-engineering.

duo-attention-budget

Treat working memory as the binding constraint on every screen, session, and document — cap what competes for it, cut what wastes it, and deliberately spend what is left on the one thing you are trying to teach. Covers how much new material fits in one unit, why familiar content is a load-reduction technique, salience and primacy effects, redundant cues that suppress what they duplicate, priming right before the moment, isolating a new element, splitting out a hard sub-skill, and why raw real-world input overwhelms. Use when someone says my onboarding is overwhelming, users keep missing the important thing on this page, how many new concepts per screen, how long should a session be, why does nobody read my tooltips, or should I just drop users into the real data.

Version
2.0.0
License
MIT
Read SKILL.md at the source

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