While to most of us 13 is just a number, there are some people that consider it to be a bad omen. This is the reason office and residential towers often skip having a 13th floor altogether. However when the 13th happens to fall on a Friday, the fear factor escalates to a whole new level! Today happens to be the first of the two fearful 'Friday the 13th's' that we will have to encounter in 2013!