Harvard’s intro to computer science was just updated! Here’s what’s new and how to earn a free certificate.

Since December 16th, ChatGPT Search traffic to Class Central has grown threefold, becoming one of the site’s top 5 traffic sources

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 today’s data-driven world, Geographic Information Systems (GIS) play a crucial role in analyzing and interpreting spatial information. GIS is a powerful tool that allows professionals in various fields (environmental science, urban planning, and business) to visualize, interpret, and make informed decisions based on geographical data. Whether you’re a geographer, urban planner, environmental scientist, or someone interested in leveraging spatial data, acquiring proficiency in GIS can open n