Interactive Tutorial for Writing a Hook

Let's write a hook that explains Virtual Private Networks (VPNs).

First, let's define what VPNs are:

VPNs (virtual private networks) are networks that make it look like you’re browsing the internet from a different computer. They were originally used to allow remote workers to access their company’s private network from home, but now they are also used to obscure your internet browsing history from your internet service provider.

But obviously that’s kind of boring. We're just getting our thoughts down. What are some concrete situations that involve VPNs that a reader would understand?