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Tech 101 / Glossary · TechToolsHQ

Tech 101

Learn the jargon and understand complex concepts in simple terms.

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What is a VPN? (And Why Do You Need One?)
A VPN is an app that encrypts your internet traffic and hides your real location. Here's how it works in plain English, where it actually helps, and the myths it can't fix.
Himanshu Bhatt · 5 min read · Aug 3, 2026

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