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Basics of Concrete Testing
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Basics of Concrete Testing
Engineering & Construction
FREE
Start learning
Measuring the Porosity and Pore structure of Construction materials
Engineering & Construction
FREE
Start learning
Advanced Diploma in Maintenance and Repair of Concrete Structures
Engineering & Construction
FREE
Start learning
Bricklaying and Masonry Techniques for Beginners
Engineering & Construction
FREE
Start learning
Concrete Structures: Corrosion of Embedded Metal and Reinforcement
Engineering & Construction
FREE
Start learning
Introduction to Masonry
Engineering & Construction
FREE
Start learning
Introduction to Carpentry
Engineering & Construction
FREE
Start learning
Introduction to Construction Materials and Calorimetry
Engineering & Construction
FREE
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Diploma in Quantity Estimation and Cost Analysis - An Introduction
Engineering & Construction
FREE
Start learning
Superstructure Activities in Building Construction
Engineering & Construction
FREE
Start learning
Understanding Construction Materials with X-Rays
Engineering & Construction
FREE
Start learning
The Finishing Activities in Construction Methodology
Engineering & Construction
FREE
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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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Udemy is “Intentionally Reducing” the Business That Made It Famous. It’s Not Working.
Subscriber growth and revenue are accelerating even as revenue per user declines.
Udemy built its empire on a simple idea: anyone could create a course, and anyone could buy one. That marketplace model made Udemy famous and made millionaires out of its top instructors.
Now the company is deliberately killing it.
In Q3 2025 earnings call, Udemy’s CFO admitted they are “intentionally reducing” single course sales to push users toward subscriptions. The logic is straightforward: Udemy keeps 82.5%
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