David Joyner recently wrote about his experience of creating a course with an AI avatar. He mentioned the advantages of being able to quickly and easily update course videos using AI rather than having to go to the recording studio and re-record and edit sections of videos. He also mentioned the drawbacks of uncontrolled use of AI to mimic real people. Having taken over 200 online courses, I decided to try Foundations of Generative AI. I wanted to compare the experience from a learner’s perspe

Unlock the full potential of ChatGPT and prompt engineering with these top-rated courses.

Although I spend a lot of time at the computer and have taken more than 200 online courses since 2012, I’m still learning how to make the most of generative AI tools. I’m not a complete beginner in the world of AI, but definitely need to become more fluent in its use. In this respect, I found Google Prompting Essentials, created by Google Career Certificates, very helpful. This course, released in October 2024, provided plenty of ideas for creating and refining prompts in a variety of situatio

In Q4 2025, Duolingo announced it would let go of $50M in bookings to reach 100 million daily active users (DAUs) by 2028; a strategy Class Central covered in detail last month.  2026 is its “investment year,” and Q1 was the first quarter of execution. So far, the plan seems to be working. The Expected Results: Low Bookings, High DAUs Duolingo is running multiple tests to improve the free experience: spoken tokens for speaking practice, Speaking Adventures for real-world conversations, and fla

In 2021, 10 years after it burst on the scene, the MOOC ecosystem has reached 220M learners and 19.4K courses.

Google offers many online courses with free certificates and badges. We’ve put together a full list.