What are some things that I could do when trolling at the Justin Bieber film?

The only thing that i've thought of so far is saying "sorry girls, he's a confirmed gay" if someone was to say something like "I love you Justin". What's a hilarious thing that you can think of?

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…).