Most of us take it for granted that we know those or the things we are familiar with. We often say that we know someone, while we had come across that person just once. Our built-in recognition system can sometimes play tricks on us, given us the false impression of knowledge and recognition. On the basis of recognition and knowing a person, we are sometimes led to believe that we can trust that person more than others, to communicate with that person in a certain way, or to be off guard. However, this kind of knowledge is most probably the result of our prejudices of thought. During our lifetime, we accumulate a