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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-category-entry

Duolingo's playbook for picking and entering a new market or adding a second product line — where to attack an incumbent, what to port from the product that already works, and what to rebuild from a blank page. Use when someone asks "should we enter this market", "what should our second product be", "how do we pick the next bet", "where is this incumbent structurally weak", "how do we launch a new vertical inside the existing app", "will our platform transfer to a different domain", or "how do we validate a new line cheaply before committing engineering". Covers demand intensity versus market size, the axes an incumbent cannot move, two-sided market wedges, sharing habit currency across product lines, and what survives a change of domain.

Version
2.0.0
License
MIT
Read SKILL.md at the source

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