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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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中国传统绘画：概论


该课程将向学生讲述中国画的发展历史，帮助学生对不同流派和类型的国画有基本的了解。在课程的实践部分，学生将学习绘画所需的所有材料，并且还将学习绘画工笔的一些基本技巧。
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介绍现代信息技术发展背景下企业数字化转型过程的实践内容。
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哲学入门


以“知识、心灵、真理、自由、正义、善与艺术”等核心问题，系统探索哲学传统、分支与基本方法。
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家庭生活中的压力


从爱情、婚姻、育儿与青春期等阶段，理解压力如何影响家庭关系，并学习应对家庭危机的方法。
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压力、危机、极端情况


聚焦极端情况、个人危机与精神创伤，介绍危机干预和紧急心理援助的方法。
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工作场所的压力


分析劳动关系如何影响职场压力，涵盖新员工适应、团队关系、职业倦怠及组织员工关怀。
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算法竞赛


围绕算法竞赛任务，使用 C++ 和 C# 编写解决方案。
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Docker全套教程 by周阳
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从镜像与容器操作到 Dockerfile 自定义镜像，逐步构建并发布容器化应用。
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Embedded Analytics for SAP Incentive Management Administration | ZH
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学习在 SAP Incentive Management 中创建、管理、计划和发布嵌入式分析故事。
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CAD/CAM应用
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Introduction to Cancer Biology | 肿瘤生物学概论
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The course will introduce the basic concepts of oncology, the basic knowledge of cancer biology, and the content of clinical oncology. We expect students to pay attention to cancers, understand cancer
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跨文化管理与沟通


聚焦跨文化情境下的管理与沟通。
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业务流程管理与重构


系统讲解业务流程管理与重构的实施框架、建模方法及信息化技术，连接企业管理变革与制造业数字化转型。
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