In 2025, Harvard CS50 offers 10 free certificate courses on topics such as computer science, Python, and AI.

A human analysis of financial documents reveals what AI content farms missed: Duolingo’s GenAI features are undermining its own profit margins.

Learn how to make amigurumi, clothing, accessories, gifts, homewares, blankets, and more!

Ryan Panchadsaram, course instructor. I recently took OKR Certification: Leadership and Goal Setting by Measure What Matters on Coursera. This course was added to the Class Central catalog in September 2022. Why I Chose this Course At Class Central, we recently started setting quarterly OKRs to boost the company’s performance. I previously worked in the banking industry and was familiar with Key Performance Indicators (KPIs), but had never heard of OKRs. I decided to find out more by taking thi