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Editorial

High-density business essays and tech insights recorded at the intersection of experience and code.

February 19, 2026

Kakao Share Thumbnail Not Showing? Here's the Fix (JavaScript SDK 2025)

Learn why Kakao Share thumbnails don't appear even with a valid imageUrl, and fix it using scrapImage to convert your URL into a KAGE CDN URL. Step-by-step guide.

Kakao SDKKakaoTalk ShareJavaScriptFrontendWeb Development

February 9, 2026

How to Generate CRM User Manuals in 20 Minutes with Claude Code Sub-Agents

Learn how Claude Code sub-agents can analyze your CRM codebase and auto-generate user manuals and visual guidebooks in just 20 minutes. See the real-world results.

Claude CodeAI Code AutomationSub-AgentsCRM DocumentationMulti-Agent

GEO Generative Engine Optimization: The Complete 2025 AI Marketing Strategy Guide

Learn what GEO (Generative Engine Optimization) is, how it differs from traditional SEO, and discover 5 proven AI marketing strategies to get cited by AI search engines in 2025.

AI MarketingGEOGenerative Engine OptimizationDigital MarketingSEO

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