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5 Best Free Raspberry Pi Courses for Beginners in 2025
From setting up your first Pi to creating smart home devices and mini servers, explore the versatile world of computing with the best free courses on Raspberry Pi programming and projects.
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The Business of Online Education: A Deep Dive Into Udemy’s Financials
Discover how Udemy makes money, its different segments, instructor payouts, revenue growth, margins, and more.
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Duolingo’s 2026 Strategy: The Road to 100 Million DAUs
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
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Scaler Academy’s Big Lie: How India’s EdTech Darling Inflated Revenue by 15x
Scaler Academy projected $200M in revenue but delivered only a fraction. Class Central’s exclusive analysis reveals another major EdTech deception in India
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