This is probably one of the coolest party tricks ever – not only is it super easy, but it makes you look smart and mysterious. Think the Austin Powers of MENSA. Unfortunately, it only works if you are surrounded by people from different geographical areas. Once upon a time, there was a number... then there was another... it was the same number, it meant the same … [Read more...] about Write down a number and I will tell you where you are from…