Khan Academy has received $365M in donations and saw an important boost during the pandemic.

An overview of CS50P, Harvard’s Introduction to Python, and your path to a free certificate .

How online courses providers shape their sites and content to appeal to the Google algorithm.

TL;DR Duolingo is targeting 100 million DAUs by 2028. It took the company 13 years to get its first 50 million DAUs. The new strategy includes more AI features for free users, deeper language courses, and growth of Chess, Math, and Music. But the strategy sacrifices short-term growth for long-term results, and von Ahn is calling 2026 its investment year without significant results.   It took Duolingo 13 years to get 50 million DAUs. CEO Luis von Ahn wants to double it in three years. For yea