When it comes to online privacy, many people still wonder whether using a VPN really makes a difference. Is it just a tech trend, or does it truly protect your personal data? In this article, we compare VPN vs no VPN in real-life scenarios — especially for travelers, remote workers, and people who frequently use public Wi-Fi. Based on cybersecurity principles and real user experiences shared on travel forums, this guide shows what actually changes when you turn a VPN on.