Fact or internet myth? Ask Snopes..
You know the story. You get an email, facebook post or you even hear someone talking about something that sounds so amazing but also convincing that it is possible. It lives on the edge of plausibility and you want to believe it is true.
You want to send it on and spread the good news or amazing facts. Be careful, before you forward on the message be sure to do a little fact checking with snopes.com. This urban legend dictionary can quickly help you work out if the story is true.
Case in point, the recent (re)circulation that if you put in your PIN backwards, the authorities will be alerted because this is a secret code to signal that you are under threat at an ATM. This is not the case. Check this link for the full story behind the myth.