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Chasing 100M Daily Users, Duolingo Reconsiders Ads, Paying Influencers, and Its Most Expensive Plan

AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.

Dhawal Shah Sep 03, 2026

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XuetangX

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XuetangX Courses

XuetangX is an open online learning platform for Chinese students. It offers massive courses in multiple disciplines, with a mission to build an affordable, quality learning environment for everyone.

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高级操作系统


以经典与前沿论文为线索，深入探讨操作系统架构、虚拟化、多核优化、安全验证与内核编程。
- XuetangX
- Self-Paced
- Free Online Course
游戏程序设计


从三维几何、实时模拟到服务器与渲染管道，系统梳理游戏研发中的核心程序设计技术。
- XuetangX
- Self-Paced
- Free Online Course
第十五届中华全国日语演讲比赛全国总决赛


第十五届中华全国日语演讲比赛预赛于2020年10-11月在全国8个赛区举行，来自各地36416名学习日语的大学生参加了本次比赛，总决赛于2021年3月28日在北京举行，共有16名选手参加，角逐最终奖项。
- XuetangX
- Self-Paced
- Free Online Course
工程与法律


以民法基础、工程合同、债务与侵权案例为核心，学习法律在工程项目中的适用与风险防范。
- XuetangX
- Self-Paced
- Free Online Course
当代中国发展与改革


从历史、国际与理论视角审视中国现代化道路，梳理改革开放与当代国家治理的发展脉络。
- XuetangX
- Self-Paced
- Free Online Course
利弊得失：特殊情境下的法益衡量


著名法学家、清华大学法学院教授张明楷深入解析《利弊得失：特殊情境下的法益衡量》。
- XuetangX
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《资治通鉴》导读


通过精选《资治通鉴》人物与历史场景，梳理战国至五代中国历史，并提炼传统治乱兴衰与修身治国的现实智慧。
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唐宋词鉴赏


介绍词的起源，系统讲授唐宋词的代表作家、代表作品和重要流派，以讲作品为主，兼及历史、民俗及人文精神。
- XuetangX
- Self-Paced
- Free Online Course
文物精品与文化中国


本课程以精品文物作引子，将学术界探索中华文明的过程作为线索，介绍古代中国在造船、玉器等诸多领域的杰出成就，学生可以藉此获得对文化中国全方位的、直观而深入的认识。
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- Free Online Course
新闻摄影


掌握基本的摄影技能，了解图片新闻的工作方式，训练对生活的观察和热爱，发展对图像的审美和批评能力，以及，培养一个终身的爱好。
- XuetangX
- Self-Paced
- Free Online Course
中国古代礼义文明——礼学经典


中国是传承千年的礼仪之邦，中国文化的核心是礼。本课程将枚举一些文献材料，再辅之以一些分析举例，深入浅出地讲授中国古代礼仪文明的基本框架。
- XuetangX
- Self-Paced
- Free Online Course
中国古代礼义文明——礼制


讲授中国古代礼义文明的基本框架，使学生在了解中华传统礼义的过程中培养人文情怀，塑造优秀品格，关心社会民生，进而在日常生活中践行礼与义。
- XuetangX
- Self-Paced
- Free Online Course
出土文献的新发现


聚焦青铜器铭文、战国文字与秦汉简帛，介绍出土文献的发现、整理、释读及其历史研究。
- XuetangX
- Self-Paced
- Free Online Course
Japanese Culture and Language (I)

Do you have interests in the Japanese life styles and their national cultures? Do you have the ambition to grasp some basic Japanese quickly?Then this is the course for you.
- XuetangX
- Self-Paced
- Free Online Course
人文清华云讲坛之《国家元气全在风俗》

以“国家元气，全在风俗”为题，聚焦风俗与国家元气之间的关系。
- XuetangX
- Self-Paced
- Free Online Course

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