There are a lot of people that have written about this, here's one for instance. http://www.satmagazine.com/story.php?number=1026762698 http://www.satmagazine.

There are a lot of people that have written about this, here's one for instance. http://www.satmagazine.com/story.php?number=1026762698 http://www.satmagazine.com/story.php?number=1026762698