Confession: I used to think critical thinking meant being skeptical of everything. Question every headline, every claim, every source. Look beyond the face value. But critical thinking is structured evaluation, and knowing when to accept a good argument is as much a part of it as knowing when to reject a bad one. The people I know who are actually good at this are calmer, not louder. That’s what makes picking a course tricky. Two courses called “critical thinking” can teach almost nothing in c

TL;DR Duolingo reported Q4 2025 revenue of $282.9 million (+35% YoY), closing its first billion-dollar year, breaking estimates again. The stock dropped 22.5% anyway. Again. The company plans to slow down monetization to grow to 100 million DAUs until 2028, by focusing on teaching quality, giving more to free users, and growing non-language courses. Duolingo’s Q4 2025 results confirmed something we highlighted in its 2025 review: growth is slowing. The company crossed a billion dollars in r

“Andrew is literally the only person that both Sam Altman and Dario Amodei have worked for. He is going to come up with things that nobody else can come up with.” “We don’t know exactly what those inventions and innovations will look like yet, but I’m highly confident that he is uniquely positioned to come up with things that we wouldn’t have come up with on our own.” That’s Greg Hart, Coursera’s CEO, on the July 29 earnings call, the first one since the Udemy merger, explaining why Coursera p

Five years after its $750M Trilogy bootcamps acquisition, the troubled ed-tech company pivots to “microcredentials”