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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.

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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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Logistics technology in automobile manufacturing

Applies logistics layout, site management, production planning, and AGV technologies to automobile manufacturing operations.
- XuetangX
- Self-Paced
- Free Online Course
Automobile Assembly and Commissioning

Hands-on automotive manufacturing training focused on assembly-station processes and commissioning for vehicle interiors, chassis, body systems, and components.
- XuetangX
- Self-Paced
- Free Online Course
Appreciation of Symphonic Music

Listen to sounds of nature, understand philosophy, feel harmony, train thinking!
- XuetangX
- Self-Paced
- Free Online Course
Music Appreciation

Survey Chinese and Western music from ancient traditions through modern movements, with focused listening across Baroque, classical, Romantic, opera, and modern Western music.
- XuetangX
- Self-Paced
- Free Online Course
Simultaneous Interpreting

The course aims at developing the students' basic skills of SI through training in shadowing, text analysis, segmentation and other coping tactics.
- XuetangX
- Self-Paced
- Free Online Course
English Critical Thinking and Communication Skills

This course aims to help learners to improve their critical thinking awareness and competence by introducing a spectrum of relevant skills.
- XuetangX
- Self-Paced
- Free Online Course
English Public Speaking

This course aims to offer learners a comparatively panoramic survey of public speaking, elaborating and practicing the fundamental skills of an orator
- XuetangX
- Self-Paced
- Free Online Course
English Debate

This course aims to offer learners a comparatively panoramic survey of English debate, introducing fundamental duties and skills of a BP debater.
- XuetangX
- Self-Paced
- Free Online Course
Skills in English for General Academic Purposes

English for General Academic Purposes is to help students study better in their majors and support them to do related researches in English communities by teaching them academic English skills.
- XuetangX
- Self-Paced
- Free Online Course
Numerical Heat Transfer

Graduate-level numerical heat transfer course covering finite-volume discretization, SIMPLE pressure correction, turbulence modeling, and ANSYS Fluent applications for complex engineering simulations.
- XuetangX
- Self-Paced
- Free Online Course
Princess Nora bint Abdul Rahman University
Numerical Analysis

This course is to understand and explain how, why and when numerical approaches for solving methematical problems can be expected and worked
- XuetangX
- Self-Paced
- Free Online Course
Biomedical Optics and Photonics

The course "Biomedical Optics and Photonics" introduces the historical development, fundamental principles, and modern applications of light in medicine and life sciences.
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- Self-Paced
- Free Online Course
Pharmaceutical Dosage Form &Technology

Learn to design, prepare, and quality-control pharmaceutical dosage forms, from tablets and injections to modified-release and targeted drug delivery systems.
- XuetangX
- Self-Paced
- Free Online Course
Radar Remote Sensing and Channel Modeling

Explores how microwave electromagnetic waves interact with real-world materials and atmospheres for radar remote sensing and wireless channel modeling.
- XuetangX
- Self-Paced
- Free Online Course
Information ThInformation Theoryeory

Explore Shannon’s information theory through source and channel models, channel capacity, entropy, and coding for reliable information transmission.
- XuetangX
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- Free Online Course

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