What if I told you that one man’s frustration with an elevator breakdown led to the creation of the fastest-growing and most-beloved programming languages today? Seventeen years ago, Graydon Hoare’s ordinary evening turned pivotal when an out-of-order elevator at his apartment building forced him to trek up 21 stories. A Mozilla software engineer, Hoare’s frustration wasn’t just with the climb, but with the fact that the tools of his trade couldn’t even make an elevator that works without cras

Duolingo’s market value ($13.49B) now eclipses both Coursera and Udemy combined, driven by explosive user growth and surging quarterly revenue.

On Feb 5, 2026, Coursera released its Q4 2025 results. It was the first report since announcing the Udemy merger, which Dhawal Shah, Class Central founder, recently analyzed (in 5000+ words!). Coursera’s stock barely moved after the announcement and is currently at ~$6, down 87% from its opening day price in 2021. Here’s a quick review of its last 2025 quarter. More Users, Struggling Segments Coursera’s Q4 revenue was ~$197M, up 10% YoY, but growth has been flat since Q2. Consumer revenue saw

Here are the best courses to learn about Applied AI and ML. Learn with their many applications: self-driving cars, NLP, computer vision, and much more.