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THE WORDROP CODEX

Science-backed guides mapping out vocabulary retention, spaced repetition, and linguistic mastery—straight from the Wordrop devs.

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Duolingo vs Spaced Repetition for Developers: Honest Comparison

Duolingo vs spaced repetition: which works for developers? An honest comparison of learning methods for busy professionals who need real vocabulary retention.

📅 May 18, 202610 min read
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Best Vocabulary App for Developers 2025

Comprehensive comparison of vocabulary apps for developers: WordDrop vs Anki vs Mochi vs Wokabulary vs Duolingo. Find the best macOS-native app for ambient learning without workflow interruption.

📅 May 8, 202615 min read
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English Vocabulary for Product Managers: The Words That Actually Matter at Work

Most PMs don't need 'fluent English.' They need 150 specific words to stop freezing in global stakeholder meetings, writing awkward emails, and hesitating before every Slack message.

📅 May 5, 202610 min read
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How SM-2 (SuperMemo 2) Works: The Spaced Repetition Algorithm Behind Wordrop

SM-2 is the spaced repetition algorithm developed by Piotr Woźniak in 1987 that calculates the optimal review interval for each vocabulary word individually. This guide explains the exact formula, step-by-step examples, and why Wordrop uses SM-2 to help people learn vocabulary permanently.

📅 Apr 20, 202614 min read
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How I Went from Avoiding English Stand-ups to Leading Them

A developer's honest account of going from preparing scripted updates for English stand-ups to leading sprint reviews — and the specific vocabulary work that made the difference in 6 months.

📅 Apr 5, 20267 min read
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What Is Spaced Repetition? Definition and Science

Spaced repetition is a learning technique that schedules reviews at increasing intervals to maximize long-term memory retention. This complete guide explains how it works, the science behind it, and how to use it to learn vocabulary faster.

📅 Mar 24, 202610 min read
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Dev Salary in Vietnam vs. Remote: The Only Gap That Matters

Vietnam's salary gap between local and remote tech roles is 3–5x — and the bottleneck isn't skills. Here's the data on what's actually holding most developers back.

📅 Mar 19, 20266 min read
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Technical English for Backend Developers: 50 Essential Terms Explained

A practical glossary of the 50 most common technical English terms in backend development — each with a plain-language definition and real-world usage example. Bookmark this reference.

📅 Mar 16, 202612 min read
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How to Read API Documentation 3x Faster (It's Not About Reading Speed)

The real bottleneck when reading API docs isn't reading speed — it's unknown vocabulary. Learn how solving vocabulary gaps dramatically improves documentation reading comprehension for developers.

📅 Mar 13, 20268 min read
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I Spent 3 Months Learning English Vocabulary Without Opening a Single App

A developer's honest account of learning 500+ technical English words in 3 months — during CI builds, lunch breaks, and idle time — without ever intentionally studying.

📅 Mar 9, 20266 min read
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Stop Using Google Translate to Read Stack Overflow — Do This Instead

Copying Stack Overflow answers into Google Translate is a symptom, not a solution. Here's what actually fixes the problem — and makes it permanent.

📅 Mar 9, 20267 min read
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How to Learn 1,000 English Words in 6 Months (With Minimal Study Time)

A step-by-step system for building a 1,000-word English vocabulary in six months using just 10 minutes a day — no textbooks, no courses needed.

📅 Mar 3, 20266 min read
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Why Developers Keep Failing at Language Learning (And What Actually Works)

Most developers quit Duolingo within 3 weeks. Here's the real reason language learning fails for programmers — and a method that actually fits how you work.

📅 Mar 2, 20267 min read
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Why Spaced Repetition Is the Ultimate Language Learning Hack

Discover how the SM-2 spaced repetition algorithm used by Wordrop helps your brain lock in vocabulary permanently — backed by cognitive science.

📅 Mar 1, 20266 min read
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5 Vocabulary Mistakes Killing Your Language Progress (And How to Fix Them)

Most language learners make the same vocabulary mistakes. Learn the five most common traps and the proven fixes that will fast-track your fluency.

📅 Mar 1, 20265 min read
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The Ebbinghaus Forgetting Curve Explained for Developers (With Code Analogies)

The Ebbinghaus Forgetting Curve is the reason every vocabulary study method fails — unless it schedules reviews at the right time. Here's the science explained with software engineering analogies.

📅 Feb 18, 20268 min read
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