Raghu

Raghu is a solutions architect and business analyst based in Singapore. He writes practical guides on AI, automation, and blogging for passive income — built from 18+ years of real project experience.

Joined: December 11, 2025
Articles: 63

eSIM versus physical SIM card on a smartphone

Smart Living

Is an eSIM Safe for Your Main Number? The Hidden OTP Risk & Real Pros

Thinking of switching to an eSIM? It’s great for travel, but a nightmare for banking OTPs if you aren't careful. Here is the best hybrid setup to save money and stay safe.

Smart Living

Your Ultimate 2026 Tech Reset: 5 Smart Upgrades to Start the Year (And What to Skip)

The New Year is the perfect time to audit your gadgets. From "invisible" health trackers to AI that actually organizes your life, here is your practical guide to upgrading your tech in 2026. Plus, a warning on why you should absolutely wait before buying a new Samsung phone or game console.

Google Super Gems dashboard inside Gemini Advanced

AI Tips

What Are Google Super Gems? A Complete Beginner’s Guide (2026 Update)

Stop writing the same prompts every day. Learn how to use the new Google Gemini Super Gems to build reusable AI workflows that save you hours. 2025 Guide.

Split-screen comparison: A hand wearing a sleek titanium smart ring on a wooden desk vs a woman wearing modern smart glasses tapping the frame.

Smart Living, Buying Guides

Smart Ring vs Smart Glasses: Which Wearable Fits Your Life in 2026?

Tired of bulky smartwatches? 2025 is the year of 'invisible' tech. We break down the real-world differences between Smart Rings and Smart Glasses—comparing health tracking, battery life, and daily utility—to help you decide which wearable actually fits your lifestyle.

Practical everyday uses of Google Gemini for productivity and time saving

AI Tips

12 Practical Things You Can Do With Google Gemini to Save Time Every Day

12 Practical Things You Can Do With Google Gemini to…

AI Tips

How to Learn AI in 2026: A Simple Roadmap for Beginners (No Jargon)

A simple, beginner-friendly roadmap to learning AI in 2026. Understand what to learn, what to ignore, and how to use AI confidently without technical jargon.