What I Do

Naver Shopping Search Ads Now on Smart Store Product Pages

Naver Shopping Search Ads Now on Smart Store Product Pages

Search AdsAd Performance
PowerPoint Copilot: Create New Decks From an Existing PPT Design

PowerPoint Copilot: Create New Decks From an Existing PPT Design

Work AutomationPrompting
Claude Cowork and Chat Unified: What Changed and When You Get It

Claude Cowork and Chat Unified: What Changed and When You Get It

ClaudeAI AgentsWork Automation
Box and Whisker Chart in Google Sheets: New Box Plot vs. Excel

Box and Whisker Chart in Google Sheets: New Box Plot vs. Excel

Google SheetsExcel ReportsData Cleanup
Copilot in Excel: How to Use It for Analysis, Formulas, Formatting

Copilot in Excel: How to Use It for Analysis, Formulas, Formatting

ExcelExcel ReportsWork Automation
Gemini File Creation and Editing: Edit Slides, Sheets, PDFs in Chat

Gemini File Creation and Editing: Edit Slides, Sheets, PDFs in Chat

Work Automation
Google Sheets Pivot Table: New Compact Layout and Excel Compatibility

Google Sheets Pivot Table: New Compact Layout and Excel Compatibility

Google SheetsPivot TablesExcel Reports
What Is Naver AI Briefing? How Content Gets Cited as a Source

What Is Naver AI Briefing? How Content Gets Cited as a Source

AI SearchSEO
What Is RAG? How to Connect Company Data to AI for Answers

What Is RAG? How to Connect Company Data to AI for Answers

AI Basics
Excel ISNUMBER Function: Check Numbers and If a Cell Contains Text

Excel ISNUMBER Function: Check Numbers and If a Cell Contains Text

ExcelExcel FunctionsData Cleanup
Genie 4 World Model: What's New and When You Can Try It

Genie 4 World Model: What's New and When You Can Try It

AI Basics
Fill with Gemini in Google Sheets: Cell Sources vs AI Function

Fill with Gemini in Google Sheets: Cell Sources vs AI Function

Google SheetsWork Automation
SEO URL Structure: Hyphens vs Underscores, Non-ASCII URLs, Parameters

SEO URL Structure: Hyphens vs Underscores, Non-ASCII URLs, Parameters

SEO
How to Exclude Internal Traffic in GA4: Data and Hostname Filters

How to Exclude Internal Traffic in GA4: Data and Hostname Filters

GA4
Gemini in Google Sheets for BigQuery: Ask in Plain Language

Gemini in Google Sheets for BigQuery: Ask in Plain Language

Google SheetsGA4Work Automation
Gemini Small Business Tools: Brand Style, Business Profile, Korea

Gemini Small Business Tools: Brand Style, Business Profile, Korea

AI AgentsWork Automation
Google Ads Data Strength: Tag Gateway and Enhanced Conversions

Google Ads Data Strength: Tag Gateway and Enhanced Conversions

Google AdsAd PerformanceGTM
Agent Skills Donated to the Linux Foundation: One Skill, Many AI Tools

Agent Skills Donated to the Linux Foundation: One Skill, Many AI Tools

AI AgentsClaudeWork Automation
How to Turn Off Google Ads Automated Promotions

How to Turn Off Google Ads Automated Promotions

Google AdsSearch AdsAd Performance
Claude Duet Explained: Claude's Proactive Agent and Who Can Use It

Claude Duet Explained: Claude's Proactive Agent and Who Can Use It

ClaudeAI AgentsWork Automation
Google Ads Channel Prioritization: Search Partners and Display Budgets

Google Ads Channel Prioritization: Search Partners and Display Budgets

Google AdsSearch AdsDisplay Ads
Excel TRUE and FALSE Functions: How to Use AND, OR, and NOT

Excel TRUE and FALSE Functions: How to Use AND, OR, and NOT

ExcelExcel Functions
NotebookLM Slides and Video: Gemini Notebook's New Review Step

NotebookLM Slides and Video: Gemini Notebook's New Review Step

AI BasicsWork AutomationPrompting
Claude in Google Sheets, Docs and Slides: Workspace Beta Guide

Claude in Google Sheets, Docs and Slides: Workspace Beta Guide

ClaudeGoogle SheetsAI Agents
Excel Comments vs Notes: Add, Show, Copy, and Print Them

Excel Comments vs Notes: Add, Show, Copy, and Print Them

ExcelExcel Reports
Gemini 4 Argon Launch: Who Can Use It and What It Means for Marketers

Gemini 4 Argon Launch: Who Can Use It and What It Means for Marketers

AI BasicsAI Agents
How to Learn SEO: Google Search Central's 2 Official Learning Paths

How to Learn SEO: Google Search Central's 2 Official Learning Paths

SEOSearch Console
Excel Numbers Stored as Text: How to Convert Them to Numbers

Excel Numbers Stored as Text: How to Convert Them to Numbers

ExcelData CleanupExcel Functions
Google Ads AI Max Reports: Check AI-Expanded Search Terms and Ads

Google Ads AI Max Reports: Check AI-Expanded Search Terms and Ads

Google AdsSearch AdsAd Performance
Google AI Mode Links Update: 5 Ways Sources Get More Visible

Google AI Mode Links Update: 5 Ways Sources Get More Visible

AI SearchSEOSearch Console
What Is Conversion Modeling? How Google Ads and GA4 Fill Gaps

What Is Conversion Modeling? How Google Ads and GA4 Fill Gaps

GA4Google AdsAd Performance
Claude Dashboards and Motion Beta: How They Work for Marketers

Claude Dashboards and Motion Beta: How They Work for Marketers

ClaudeWork AutomationGA4
Excel Up and Down Arrows: Add ▲▼ and Colors with Custom Formats

Excel Up and Down Arrows: Add ▲▼ and Colors with Custom Formats

ExcelExcel ReportsExcel Functions
Display Retargeting Setup: Google Ads Remarketing with GA4

Display Retargeting Setup: Google Ads Remarketing with GA4

Display AdsGoogle AdsGA4
How to Check AI-Generated Images: SynthID Detector and Gemini

How to Check AI-Generated Images: SynthID Detector and Gemini

AI BasicsAI Search
Claude Usage Policy 2026 Update: Fake Reviews, AI Search Rules

Claude Usage Policy 2026 Update: Fake Reviews, AI Search Rules

ClaudeAI BasicsAI Search
Landing Page Optimization: Google Ads Landing Page Experience

Landing Page Optimization: Google Ads Landing Page Experience

Search AdsGoogle AdsAd Performance
Claude Haiku 5.5: Pricing, Sonnet 5.5 Differences, Use Cases

Claude Haiku 5.5: Pricing, Sonnet 5.5 Differences, Use Cases

ClaudeAI Basics
Mask Personal Data in Excel: Hide Names and Phone Numbers with *

Mask Personal Data in Excel: Hide Names and Phone Numbers with *

ExcelExcel FunctionsData Cleanup
Naver Shopping Product Keywords: Names, Tags, and Categories

Naver Shopping Product Keywords: Names, Tags, and Categories

SEOSearch Ads
Google Ads AI Campaign Localization: Translate Search Campaigns

Google Ads AI Campaign Localization: Translate Search Campaigns

Google AdsSearch Ads
Find and Highlight Blank Cells in Excel: Go To Special, ISBLANK

Find and Highlight Blank Cells in Excel: Go To Special, ISBLANK

ExcelExcel FunctionsData Cleanup
Gemini Connected Apps: September Additions and Availability

Gemini Connected Apps: September Additions and Availability

AI AgentsWork AutomationGoogle Ads
Claude Sonnet 5.5 vs Opus 5.5: How to Choose for Your Work

Claude Sonnet 5.5 vs Opus 5.5: How to Choose for Your Work

ClaudeAI Basics
Excel Conditional Formatting: See Numbers as Colors, Bars, and Icons

Excel Conditional Formatting: See Numbers as Colors, Bars, and Icons

ExcelExcel ReportsData Cleanup
Excel #### Error Fix: Why Cells Show #### and How to Fix It

Excel #### Error Fix: Why Cells Show #### and How to Fix It

ExcelData Cleanup
Excel Not Equal To (<>) Operator: How to Use It in IF and COUNTIF

Excel Not Equal To (<>) Operator: How to Use It in IF and COUNTIF

ExcelExcel Functions
Google Sheets QUERY Function: Use Your Sheet Like a Database

Google Sheets QUERY Function: Use Your Sheet Like a Database

Google SheetsData Cleanup
Excel Remove Duplicates: Find, Highlight, and Remove Safely

Excel Remove Duplicates: Find, Highlight, and Remove Safely

ExcelExcel FunctionsData Cleanup
Search Console Multimodal Search: See Google Lens Traffic Separately

Search Console Multimodal Search: See Google Lens Traffic Separately

Search ConsoleAI SearchSEO
Excel PivotTable Report: Slicers and PivotCharts at a Glance

Excel PivotTable Report: Slicers and PivotCharts at a Glance

ExcelPivot TablesExcel Reports
VLOOKUP vs XLOOKUP: Which Excel Lookup Function to Use

VLOOKUP vs XLOOKUP: Which Excel Lookup Function to Use

ExcelExcel Functions
Google Ads Bidding Strategies: Manual CPC vs Smart Bidding

Google Ads Bidding Strategies: Manual CPC vs Smart Bidding

Google AdsSearch Ads
Prompt Writing Basics: Instructions, Context, Roles, Examples

Prompt Writing Basics: Instructions, Context, Roles, Examples

PromptingAI Basics
UTM Parameters and GA4 Default Channel Groups Explained

UTM Parameters and GA4 Default Channel Groups Explained

GA4Ad Performance
GA4 Users, Sessions, Engagement Rate, and Bounce Rate Explained

GA4 Users, Sessions, Engagement Rate, and Bounce Rate Explained

GA4
Why AI Hallucinates and How to Reduce It: Official Guide Tips

Why AI Hallucinates and How to Reduce It: Official Guide Tips

AI BasicsPrompting
SEO Basics: How Google Crawling, Indexing and Ranking Work

SEO Basics: How Google Crawling, Indexing and Ranking Work

SEOSearch Console
CPC, CPM, CTR, ROAS: How to Calculate Core Ad Metrics

CPC, CPM, CTR, ROAS: How to Calculate Core Ad Metrics

Ad PerformanceGoogle AdsSearch Ads
GA4 Events and Parameters: Automatic, Enhanced, Recommended, Custom

GA4 Events and Parameters: Automatic, Enhanced, Recommended, Custom

GA4Event Tracking
Tokens and Context Windows Explained: LLM Basics for Long Inputs

Tokens and Context Windows Explained: LLM Basics for Long Inputs

AI BasicsPrompting
AI Agent vs Chatbot vs Automation: How to Choose for Work

AI Agent vs Chatbot vs Automation: How to Choose for Work

AI BasicsAI AgentsWork Automation
Claude Marketplace: How Connectors, Skills, and Plugins Differ

Claude Marketplace: How Connectors, Skills, and Plugins Differ

ClaudeAI AgentsWork Automation
GA4 Conversion Lookback Window Now Set by the Day

GA4 Conversion Lookback Window Now Set by the Day

GA4Ad Performance
GTM Tags, Triggers, and Variables: Google Tag Manager Basics

GTM Tags, Triggers, and Variables: Google Tag Manager Basics

GTMEvent TrackingGA4
AI Overviews and SEO: How Google's AI Search Changes Things

AI Overviews and SEO: How Google's AI Search Changes Things

SEOAI SearchSearch Console
Building a Personal Blog with Vibe Coding: Next.js to Deployment

Building a Personal Blog with Vibe Coding: Next.js to Deployment

Vibe CodingSEO
Vibe Coding a Real Tool: Building a GA4 Privacy Policy Generator

Vibe Coding a Real Tool: Building a GA4 Privacy Policy Generator

Vibe CodingGA4
Attribution Models in Google Analytics Explained

Attribution Models in Google Analytics Explained

GA4Ad Performance
Excel PivotTable Guide: What It Is, How to Create and Refresh

Excel PivotTable Guide: What It Is, How to Create and Refresh

ExcelPivot TablesExcel Reports
Google Ads Scripts: Automate Daily Reports to Sheets and Email

Google Ads Scripts: Automate Daily Reports to Sheets and Email

Google Ads ScriptsGoogle AdsGoogle Sheets
Google Ads Scripts Basics: Entities, Iterators, and Selectors

Google Ads Scripts Basics: Entities, Iterators, and Selectors

Google AdsGoogle Ads ScriptsWork Automation
Excel CSV Garbled Text Fix: Import Korean Text with UTF-8

Excel CSV Garbled Text Fix: Import Korean Text with UTF-8

ExcelData Cleanup
Naver Shopping Search Ads: Ways to Get Shown for Target Keywords

Naver Shopping Search Ads: Ways to Get Shown for Target Keywords

Search Ads
Search Ad Optimization: A Practical Process and Checklist

Search Ad Optimization: A Practical Process and Checklist

Search AdsAd Performance
Display Ads Explained: How Banner Ads Seem to Read Your Mind

Display Ads Explained: How Banner Ads Seem to Read Your Mind

Display AdsAd Performance