For all the Harry Potter fans:
A VPN is occlumency for smart devices, and our ISP is a legilimens.
Harry Potter VPN Analogy
Explanation
Explain Bear
Listen up, numbskull. You probably can't tell your elbow from your butt. This joke relies on the Harry Potter world. Occlumency is magic for protecting the mind, and Legilimens is magic for reading minds. So, a VPN is like magic for your devices, keeping your ISP from reading your data!