Learn Cyber Threat Intelligence (CTI), threat hunting, and MITRE ATT&CK framework to strengthen your defenses. Real-world APT case studies and understanding attacker TTPs used in modern cyber threats.

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

Analyzing the impact of China’s regulatory crackdown on the nation’s for-profit education industry.

Coursera’s annual report gives us a deeper look into the company’s finances.