Short article: viral media explained through actual epidemiology
“Zombie Epidemics and You”, by Dmitri Williams at gamasutra.com. A short article explaining the basics of viral media drawing concepts from actual epidemiology. A quick introductory text to begin understanding the mechanisms of viral marketing.
http://www.gamasutra.com/blogs/DmitriWilliams/20140203/209921/Zombie_Epidemics_and_You.php