How should I get revenge on my ex-best mate?

Ok, first of all, no comments about how revenge is bad and we should all seek to live in harmony.

This ***** really took it too far, it's too complicated to explain but in a nutshell she betrayed her two best friends and her boyfriend in the most horrific way imaginable.

SO, I need imaginative ideas on how to plot revenge. Nothing illegal, nothing that will PHYSICALLY hurt her. An eye for eye y'kow.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia��).