Author
I write and edit Imidef Blog as a personal media project about AI, web work, indie development, and information literacy.
I separate official sources, first-hand use, and inference. Unverified claims are not presented as facts.
AI may support research, structure, and drafting, but final judgment, editing, and publication responsibility remain human.
2026-04-06
A practical ChatGPT vs. Gemini comparison for 2026. See which AI is better for writing, research, Google Workspace, coding, and overall value based on how you actually work.
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2026-03-09
New to ChatGPT? Learn what it is, what you can do with it, how to get started, the difference between free and paid plans, and the key cautions beginners should know.
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2025-07-22
Learn what llms.txt is, how to configure permissions for AI crawlers, and which on-site optimizations help large language models cite your content.
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2025-09-29
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2026-06-19
A practical guide to using Codex 5.5 on Low: where it works well, where to be careful, and when to switch to Standard or High.
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2026-06-19
A practical guide to the latest Google Gemini 3.5 family and Gemini Omni, covering key technical features and real-world ways to improve business efficiency.
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2026-06-13
Learn how to use ChatGPT as a personal idea wall for brainstorming, organizing thoughts, creating blog topics, and turning rough ideas into practical plans.
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2026-06-13
Learn how to use ChatGPT to rewrite emails in natural, polite English, with practical prompts for follow-ups, refusals, apologies, and workplace messages.
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2026-06-11
Practical ways to save 10 minutes a day with ChatGPT, based on official OpenAI information.
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2026-06-01
The AI skill gap is not about talent. Learn seven practical habits that help people use ChatGPT and other AI tools more effectively in everyday life.
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2026-05-22
Is Google Search dying in the age of ChatGPT Search and AI search? Learn what is changing, how to research better, and what bloggers should update now.
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2026-05-15
A practical guide to what changes when you use ChatGPT every day, covering productivity, learning, writing, critical thinking, privacy, and safer daily AI habits.
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2026-05-10
Better ChatGPT answers start with better questions. Learn how to write clearer prompts, reduce AI mistakes, and use ChatGPT more effectively for work, blogging, and research.
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2026-05-07
To use AI well, you need more than prompt templates. Here is why reading, questioning, summarizing, verifying, and writing skills decide the quality of AI output.
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2026-04-29
A clear beginner-friendly guide to GPT-5.5, covering what changed, how it compares with GPT-5.4, where it helps most, and what to verify before using it.
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2026-04-23
A practical guide to ChatGPT Images 2.0, including what changed, how image generation and editing work in ChatGPT, supported plans, API differences, and key safety points for creators.
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2026-04-21
AI that can operate a PC is no longer hypothetical. Based on official announcements from OpenAI and Microsoft, this article explains what has changed, what AI agents can do today, and how to use them safely in real work.
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2026-04-21
What changes when you use Codex for blog management? This practical guide explains how Codex can help with article production, SEO improvements, code fixes, and workflow automation.
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2026-04-18
Why did GPT-4o disappear from ChatGPT? This article explains the retirement timeline, the reason behind the change, and how GPT-4o relates to newer successor models based on official OpenAI announcements.
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2026-04-13
Will AI really change how children study? Based on Japan's MEXT Generative AI Guidelines Ver. 2.0, UNESCO's 2024 framework, and OECD's 2025 materials, this article explains the practical changes happening at school and at home.
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2026-04-12
What is ChatGPT actually best for? This practical guide explains the most cost-effective ways to use ChatGPT for writing, research, learning, and work productivity based on official OpenAI information.
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2026-04-12
If your iPad feels slow, freezes, or stops responding, here are the practical fixes to try first. This guide walks through restart steps, storage checks, software updates, overheating, and network issues based on Apple support guidance.
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2026-04-12
What is actually more useful in iPadOS 26? Here is a practical breakdown of the changes that matter most in daily use, including windowing, the Files app, Preview for PDF work, background tasks, audio tools, and Apple Intelligence.
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2026-04-11
A practical ChatGPT prompt collection for writing, research, learning, and productivity. Learn how to write prompts that are easier to reuse, easier to manage, and less likely to fail.
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2026-04-08
Our MacBook Air M4 review breaks down real-world performance, battery life, 13-inch vs 15-inch sizing, memory options, and what to know before you buy.
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2026-04-07
Google Search and ChatGPT Search are not the same tool. Here is when to use each one for primary sources, fact-checking, comparisons, summaries, and faster research.
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2026-04-06
A clear 2026 guide to ChatGPT Free vs Paid, including real feature differences, usage limits, and a practical decision framework for when to upgrade.
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2026-04-06
A practical ChatGPT vs. Gemini comparison for 2026. See which AI is better for writing, research, Google Workspace, coding, and overall value based on how you actually work.
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