How to Get Free Airport Wi-Fi

There's nothing worse than being stuck in an airport for a few hours with nothing to do. You'd expect to be able to boot up your laptop and get some free Wi-Fi, but that's just not happening in all airports. Most airports hide their Wi-Fi access behind a paywall. You'll have to shell out some cash to be able to surf for a short while, though some airports do offer 30 minutes free. But there is a way to check your email and shoot of a tweet with a small tweak...