Just in time for Halloween: an article from MSNBC.
"Zombies may be the walking undead, but their contribution to Main Street’s economy is very much alive. In modern times, the zombie genre has evolved from a cult following to a highly popular theme. 24/7 Wall St. estimates that the today’s zombie genre economy is worth billions of dollars.
"Think way beyond zombie movie ticket sales. Think about DVD sales, video games, comic books, novels, Halloween costumes, zombie walks, merchandise, conventions and even zombie art. Add to that all of the websites, homemade movies, Facebook sites, YouTube sites and other forms of 'digital' zombies, not to mention music. And if you think the financial tab has been high so far, by the end of 2012 the tab is going to be far larger...."