The #13 doesn't seem to be any worse a day than any other day for most people.
http://www.bench3.com/2010/02/mystery-behind-number-13-facts-about-13.html
http://www.whats-your-sign.com/number-thirteen.html
Its not just limited to a Friday.
http://www.livescience.com/6855-13-strange-happened-friday-13th.html
Alfred_Hitchcock was born in 1899 on August 13 & eventually wanted to make a movie titled, Number_13.
http://www.mytechsecrets.com/the-number-13, http://www.squidoo.com/significance-of-13
Apollo_13 experienced some serious trouble & eventually became anther addition to the popular_culture of the #13.
http://www.orrar.net/unexplained/number13.htm
One can observe numbers from a factual perspective.
http://amazingfacts07.blogspot.ca/2008/11/number-13-and-its-mysteries.html
Or from a mysterious & metaphysical perspective.
http://mysterified.blogspot.com/2013/02/the-mystery-of-number-13.html
Sometimes I like to point out some things.
http://patternsofsynchronicty.blogspot.ca/2013/07/the-final-destination-of.html
