This video highlights some of the key reasons why we are so susceptible to misinformation. It is a short and interesting watch and I would recommend you give it a view. For some viewers it may not provide anything new, but is a useful recap as to some important factors of human nature as to why we believe things that we sometimes shouldn’t. For further reading on this subject please see Humans are natural born story tellers or Our natural born propensity for story-telling and the craze of conspiracy theories