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🧭 Searching Smarter: Tools and Tricks Beyond Google
In the previous session we looked at different search engines and how to change your default one.Now we’ll go deeper — not by switching engines, but by learning to speak their language.Even the simplest search becomes more powerful once you know a few operators and specialised tools. 🔤 1. Search Operators — Precision in a…
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🔍 The Hidden World Behind Your Searches
How to understand and choose your own search engine. Every time you type a few words into a search box, you’re not just asking a question — you’re entering a partnership with a search engine.Google, Bing, DuckDuckGo, Startpage, and Ecosia all aim to help you find information, but they differ in how they earn money,…
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🌐 The Google Ecosystem — A Blessing and a Trap
by Manfred Bartz in collaboration with ChatGPT. I’m not a Google fan-boy. In fact, I’m instinctively wary of monopolies — they tend to choke competition, dictate standards, and quietly decide what “normal” should look like.But even so, it’s hard not to admire how compellingly convenient Google’s ecosystem has become. The All-Encompassing Web of Google Most…
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From Email to Emoji: How Message Style Shapes Meaning
This post expands on the Electronic Messaging Systems resource page – you may want to read that first. 💬 How Formatting and Size Shape How We Communicate Not all messages are created equal — and neither are the platforms we use to send them.Each messaging system has its own technical limits, conventions, and social tone,…
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Staying Safe Online: What We Learned in Tech Café, Term 3, 2025
Over the past term in Tech Café, we explored practical ways to stay safer online. — here are the highlights: HTTPS and VPNs The padlock in your browser means encryption, not safety. A malicious website can still display a padlock. VPNs can protect you from your ISP, but you’re just shifting trust to the VPN…
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Common Tech-related Myths
💳 Payment Methods & Security 🧩 Browsers, Extensions & Websites 💾 Hardware: USB, Storage & Devices 🔋 Battery & Charging 🖥️ Power & Device Usage 🔗 QR Codes & Scanning 🛡️ Security Software & Threats 📱 Mobile Myths 🌐 VPN Myths (Virtual Private Networks) About the image “Myth” by kozemchuk is licensed under CC BY 2.0.
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Cloud Storage Basics
What is the Cloud? “The Cloud” refers to remote servers connected to the internet that store your files, photos, and data for you. Instead of keeping everything on your computer or phone, you can store data online and access it from any device with an internet connection. Examples: Popular Cloud Storage Services How to Enable…
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Copying and Moving Files – A Practical Guide
Who is this for? Anyone who uses Windows PCs, Macs, or mixed devices and wants a simple, reliable way to copy (make a duplicate) or move (relocate) files such as photos, documents, or e‑books. Why this matters Drag‑and‑drop looks easy but it is error‑prone—one tiny slip can drop files into an unknown folder, onto a…
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Visual Scams and How to Outsmart Them
QR Codes, CAPTCHAs, and Screenshots: The Visual Side of Scams 📝 Introduction Today we explore a lesser-known side of digital trickery: image-based scams. From innocent-looking QR codes to fake CAPTCHAs and doctored screenshots, scammers are using visuals to bypass filters and fool users. These techniques are growing more common, and it’s important to recognize the…