[…] another worrying aspect of today’s market of VPN services is the large amount of misinformation end users are exposed to, which makes it hard for them to properly tell apart vague and bold claims typical of product advertisement campaigns with actual facts.

That quote is four years old, and just as relevant today as it was when it was written. The article I’m linking here does a really good job explaining what a VPN (virtual private network) is and what it is not, and it makes sure to use as few technical terms as possible. It also goes into detail about what a VPN is good for, not just what they’re not good for.