AI Tools and Models
Meta Muse Spark Open: Can You Run It, and What License?
Meta released Muse Spark Open weights on October 15. Here are the 816B model size, 1M token context, hardware needs, license attribution rules and next steps.
Blog
Dense business essays and tech insights, written where experience meets code.
Work Tools
How to Make a Google Form: Publish, Share, View Responses
Making a Google Form takes four steps: open a blank form at forms.google.com, add questions, publish, and send the link. Covers 12 question types, settings, and responses.
Development & Automation
Python 3.15 Changes: UTF-8 Default, Lazy Import, Upgrade Checks
Python 3.15 was released on October 9, 2026 with UTF-8 as the default encoding. See lazy import, frozendict, the Tachyon profiler, and what to check before upgrading.
Weekly News
Weekly Marketing and AI Changes: October 2026, Week 1
Six marketing and AI updates from Oct 1, 2026 week: OpenAI DevDay, Claude Sonnet 5.5, ChatGPT ads measurement, Instagram Live ads, YouTube views, Gemini Skills.
Marketing Basics
Viral Marketing: Meaning, Types, Methods and Key Rules
Viral marketing gets consumers to share content and spread word of mouth. Learn the types, how to run it, and the sponsorship disclosure and Naver rules, as of Oct 7, 2026.
Analytics
Google Tag Manager (GTM) Setup and GA4 Connection Guide
Install Google Tag Manager (GTM), connect GA4 with a Google tag, preview, publish and avoid common mistakes. Based on Google Help checked Oct 5, 2026.
AdSense
AdSense Approval: Requirements, Steps and Review Time
Google AdSense approval means creating an account, connecting your site and passing review. See requirements, setup steps, status meanings, review time and fixes.
Naver Ads
Naver GFA Ads: How to Start, Billing, and Review Rules
Naver GFA ads are performance display ads. Learn the 8 campaign goals, CPC and CPV billing, 8 setup steps, Bizmoney top-up, and creative review of up to 3 business days.
AI Models
Gemini 4 Argon Price, Release and Access (as of Sep 30)
Gemini 4 Argon was announced Sep 30 but is open only to cyber defense partners. API price is $2/$10, standard $4/$20, compared with Claude and GPT.
ChatGPT Ads
ChatGPT Ads Customer List Targeting: Setup and Pitfalls
How to target or exclude customers in ChatGPT Ads with a customer list. Covers the 25,000 matched-user rule, file format, LiveRamp, and Korea checks.
Instagram
Instagram AI Assistant in Edits: How to Use It and Korea Notes
Instagram's Edits AI assistant opened in the US first on September 30, 2026. See the features, steps, free limit, Meta One pricing and what to check in Korea.
AI Search
Google AI Contribution Pilot: How to Check Earnings (Sept 2026)
Google reportedly pays sites that contribute to AI answers in an invite-only pilot. Eligibility, the Search Console panel, AdSense differences and Korean site checks as of Sept 30, 2026.
Influencer Marketing
Korea Sponsored Post Disclosure Rules (September 2026)
Korea's hidden ad rules as of Sept 30, 2026: disclosure placement on blogs, Instagram and YouTube, the July 1 fine increase, and a 3-step pre-post check.
Platform News
Naver TV Shutdown: How to Migrate Videos to Clip (Sept 30)
Naver TV closes Sept 30, 2026 at 3 PM. See how to move videos to Clip, download deadlines, what transfers, what gets deleted, and unpaid revenue claims.
Development
Python Basics for Beginners: Install Python 3.14.7 to CSV Summary
Learn Python basics as of September 30, 2026: install Python 3.14.7, set up a virtual environment, and run a first script that summarizes an ad report CSV.
Cloud
Cloud Run Custom URLs: Get a .cloud.run Address Without DNS
Set up a Cloud Run .cloud.run custom URL with no DNS, per the official docs. Covers the 50-per-project limit, Terraform and ingress limits, and a checklist.
Dev Automation
Self-Hosted Runner Version Enforcement: 2.329.0 and 30 Days
GitHub Enterprise Cloud enforces self-hosted runner versions from Sept 29. See the 2.329.0 floor, the 30-day rule, and how to check and fix your runners.
AI Security
AI Agent IAM Lateral Movement: Check It in Google Cloud
Find IAM lateral movement risk in Vertex AI Reasoning Engine using Toxic combination findings in Security Command Center, then cut excess permissions.
Marketing Automation
Google Ads API v22 Sunset: Requests Fail From Oct 7, 2026
Google Ads API v22 requests fail from October 7, 2026. Find your real v22 calls and move to a supported version with this practical check order.
Marketing measurement
Meta Pixel with GTM: separate production conversion rules
Configure a shared Meta Pixel for development and production with GTM. Add environment to Lead, define custom conversion rules, and verify ad set selection.
Image Production
Korean Text in AI Images: Generate Backgrounds, Add Text
AI image generators break Korean text, logos, and exact pixel dimensions. The fix: generate only the background scene with AI (Claude delegates to Codex imagegen), then layer Korean text and logos via HTML with web fonts, captured to PNG with a headless browser. A build log for automating blog illustrations and OG cards.
Design
Why the 1200px Card You Made Became an Unreadable Blob in KakaoTalk
Why a carefully crafted OG image turns into a blurry smear in KakaoTalk (Korea's dominant messenger app). The 9px math of canvas vs. render, how gaze-cueing works, URL cache invalidation, and why 7:1 WCAG contrast is the real minimum, all traced back to primary sources.
Growth
How Christianity Spread: Dissecting History's Most Successful Growth Marketing
A case study dissecting how early Christianity grew from roughly 1,000 followers to 35 million over 350 years, analyzed through nine growth marketing levers: addressable market, value, price, channel, promotion, segmentation, people, process, and growth engine. Historical figures are academic estimates.
Workflow
The First Button of Any AI Marketing Agent: A Brand Brief, Not a Smarter Model
A brand brief is the single shared input for market-research, positioning, growth, and content agents. Without it, every agent fills in its own assumptions which then contradict one another. The secret to a good brief is honestly marking unknown fields as TBD rather than guessing. Includes a 10-section template and a real example.
Personal Knowledge Management
Making Hundreds of Notes Fast for AI: I Tried Ontology, Then Found Something Lighter
Hundreds of notes piled up but AI still had to open every file to answer a simple question. I thought a full ontology would fix it. A lightweight index layer built from existing frontmatter turned out to work 2.9-13.3x cheaper. This is the build log.
GTM
I Logged In and Every User Property Was undefined: GTM and GA4 from Setup to Revenue Analysis
Why GA4 user properties show undefined after login, and how to trace GTM data layer timing, repair the setup, and connect user data to revenue analysis.
Consent Design
Can You Still Retarget Users Who Withdrew Marketing Consent: A Pixel Gating Design Story
Can you retarget people after they withdraw marketing consent? Explore pixel gating, audience removal, and safer consent-aware campaign design.
Conversion Tracking
How to Make Your Ads Learn Revenue: An Offline Conversion Tracking Case Study
Learn why offline conversions are difficult to attribute to ads, from missing click IDs to CRM gaps, and how to design a reliable revenue feedback loop.
Kakao SDK
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.
Claude Code
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.
AI Marketing
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.
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