🎯 Work Productivity

The Difference Between Chat and Agent: Which Should You Use?

— Chat AI を選ぶ・使い始める4 articles ▸

ChatGPT vs. Gemini vs. Claude: Choosing the Best AI by Use Case

From Account Creation to Your First Chat (Common Guide for ChatGPT / Claude / Gemini)

Free vs Pro vs Team vs Enterprise — A Thorough Plan Comparison

Comparing Claude Models: Choosing Between Opus, Sonnet, and Haiku

— Agent AI を選ぶ・使い始める3 articles ▸

— プロンプトの基本2 articles ▸

How to Write Prompts: Tips to Dramatically Improve Answer Quality

Copy-Paste Business Prompt Templates (30 Patterns)

— 安全に使う2 articles ▸

xii

Things Claude Struggles With and Points to Watch: Understanding Hallucinations and Limitations

xiii

Handling Confidential Information: Security Basics When Using AI at Work

— PracticeRead in parallel

Writing & Communication▸

Draft emails, meeting notes, summaries, and translations in seconds

13 articles · 6 groups

— 全体像1 articles ▸

Write and Read with AI: Make Work Text 10x Faster

— Chat AI でやる5 articles ▸

Handling Long Documents: Report Summarization, Paper Reading, and Book Analysis

Basics of Summarizing Minutes/PDFs: Patterns for Long Text, PDF, Minutes

AI Writing-Revision Techniques: Revision, Tone Adjustment, SEO Optimization

Automating Meeting Minutes: Record → Summarize → Extract Tasks

Writing and Fixing English Business Documents with AI

— 議事録・文字起こし専用ツール2 articles ▸

Otter.ai Complete Guide: Meeting Recording → Summary → Task Extraction

tl;dv / Notta / Fireflies Comparison: Japanese Minutes AI

— 翻訳専用ツール1 articles ▸

DeepL Complete Guide: vs General-AI Translation Selective Use

— 校正・ライティング専用ツール2 articles ▸

Grammarly / ProWritingAid: Resident Proofreading AI

Notion AI Complete Guide: Writing Internal Documents

— Agent で代行する2 articles ▸

xii

Delegate Email Replies to an Agent: Superhuman AI / Sider

xiii

Ask an Agent to Create Long Documents

Documents & Presentations▸

Draft slides, proposals, and reports with AI

9 articles · 4 groups

— 全体像1 articles ▸

Materials 3x Faster with AI: Slides, Proposals, Reports

— Chat AI でやる4 articles ▸

Drafting Proposals with AI: Structure → Body → Polish

Presentation Slides with AI: Structure → Outline → Formatting

Reports and Weekly Updates in 5 Minutes: Template, Angle, Closing Lines

Generating Materials from Data: Tables, Charts, Diagrams

— スライド専用ツール3 articles ▸

Gamma Complete Guide: Auto-Generating Slides from Prompts

Tome Complete Guide: Narrative-Style Presentation AI

Beautiful.ai / Canva AI: Auto-Design Slide AI

— Agent で代行する1 articles ▸

Delegate Document Creation to an Agent: Generate Slides with Cowork

Research & Analysis▸

Streamline web research, competitive analysis, and data wrangling

12 articles · 5 groups

— 全体像1 articles ▸

The Big Picture of Researching and Analyzing with AI

— Chat AI でやる5 articles ▸

Research: Information Gathering, Literature Review, and Market Research

Data Analysis: Reading and Cleaning CSV and Tabular Data

Reading Images: Analyzing Screenshots, Charts, and Handwritten Notes

Summarizing Literature and Papers

Organizing Competitor and Other-Company Information

— Web リサーチ専用 AI3 articles ▸

Perplexity Complete Guide: Citation-Backed Search AI

Genspark / Felo: Search AI Strong in Japanese

ChatGPT Search / Claude with Search: When to Use Which

— ドキュメントリサーチ専用2 articles ▸

NotebookLM Complete Guide: AI That Learns from Your Own Materials

Elicit: AI Specialized in Research-Paper Discovery

— Agent で代行する1 articles ▸

xii

Delegating Research to Manus / Operator

— Advanced

Task Automation▸

Excel automation, repetitive task handling, and API integration starters

10 articles · 4 groups

— 自動化の入口1 articles ▸

How to Automate Your Work with AI: A Practical No-Code/Low-Code Guide You Can Start Today

AI Navigate Original·3/17/2026

— ツール別2 articles ▸

Excel / Spreadsheet × AI: Functions, Analysis, Automation

Entry to API Integration: Zapier / n8n / Custom Scripts

— 業務シーン別2 articles ▸

Automating Routine Email Replies and Notifications

Automating File Processing (PDF→CSV, Image→Text)

AI Navigate Original·5/1/2026

— Agent で代行する5 articles ▸

Claude Cowork: How to Use Anthropic's PC-Automation AI Agent

ChatGPT Operator Complete Guide

Manus Complete Guide: Mastering a General-Purpose AI Agent

Lindy AI / Replit Agents: Work-Specialized Agent Builders

A Checklist for Delegating Work to an Agent

Advanced Techniques▸

Custom instructions, Projects, and integrating internal knowledge

9 articles · 5 groups

— 全体像1 articles ▸

10 Claude Use Cases for Business Professionals

— プロンプトを極める2 articles ▸

System Prompt Design Skills: Make It Your Own Personal Assistant

AI Navigate Original·3/17/2026

The Complete Guide to Prompt Engineering: How to Write Effective Instructions and a Collection of Techniques You Can Use Right Away

— カスタム AI を作る2 articles ▸

Custom GPT / GPTs Builder: Building Your Own AI

How to Use the Projects Feature: Build a Specialized AI with a Knowledge Base

— 拡張機能2 articles ▸

Artifacts Usage Guide: Generate Code, Diagrams, and Documents On the Spot

Extended Thinking: Drawing Out Complex Reasoning

— 実務テンプレ2 articles ▸

50 Business Templates: Copy-Paste AI Instruction Collection

Settings & Shortcuts Collection: Efficiency Techniques to Master