About This Blog
🎯 Purpose
This blog shares practical tips, tutorials, and guides for making the most of Google Workspace. We cover real-world usage of Gmail, Drive, Sheets, and more to help you work smarter every day.
💡 What You'll Find Here
- How-To Guides: Step-by-step tutorials for Google Workspace apps
- Tips & Tricks: Practical techniques to boost productivity
- Tool Introductions: Reviews and guides for Google Workspace add-ons and integrations
- Troubleshooting: Common issues and their solutions
🛠️ Tech Stack
This blog itself is built with the following technologies:
- Cloudflare Pages: Hosting
- Cloudflare D1: Database
- TypeScript: Server-side logic
- Full Server-Side Rendering: Fast and SEO-perfect
📝 Profile
Takashi Yamaguchi
"I want to bring the benefits of digital technology
to small and medium-sized enterprises that can't afford
multi-million dollar system development costs."
With this vision, I became independent in 2024.
For about 20 years, I worked as a software engineer
at major companies such as Riso Kagaku, Samsung, and HP,
where I was trained in large-scale project development
and quality management.
However, working with SMEs after independence,
I often heard voices like:
"We have things we want to do, but no budget"
"We're interested in AI, but don't know where to start"
I wondered if there was a way to realize
"operational efficiency through systemization,"
which was taken for granted at large corporations,
for small and medium-sized enterprises as well.
The answer was "in-house development support using generative AI."
Currently based in Yokohama, I operate training programs
that enable staff with no programming experience
to create business applications in one month,
along with an ongoing support community.
With our proprietary "Gemini QA Framework,"
we minimize the risks of AI "making mistakes and forgetting,"
supporting safe and practical app development.
Example Achievement: Developed a Slack-like community app in 6 days for about $150
(Typically would take 3-6 months and cost hundreds of thousands of dollars)
On this blog, I share the "real field" of AI app development
without hiding anything.
Business Name: HDDH (Human to Digital, Digital to Human)
"Connecting Digital and People" is our philosophy.
Website: https://hddh.jp/
Location: Yokohama, Kanagawa, Japan
Expertise: Google Workspace consulting / AI business efficiency support
📬 Contact
If you have any questions or feedback, please feel free to contact us at [email protected].
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