You do not realize it, but everything you do online, that is, the websites you consult, the mailbox services, the e-commerce, the music you listen to, the videos as you look, the searches you do, is traced through your IP address. Server networks use this IP to connect to the correct URLs. The Internet works through all these interconnected IP addresses.
If someone in Germany types Amazon into the Google search engine, then Amazon.de will be offered. It is the Internet access provider, the ISP, which will determine the IP of each Internet user. When using a VPN, our IP address is replaced by an address of our choice. We can bypass our Internet service provider.
Some sites are not accessible in all regions of the world, they are limited to the local country, to limit the resources of the servers and to avoid a useless expenditure of electricity vis-à-vis the user who is not profitable. With VPN, we can now access these sites, and anywhere on the Web.
VPNs are widely used in countries with authoritarian or authoritarian regimes, such as Iran, Russia, China.
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