Marko sat in his dimly lit room in Belgrade, staring at a PDF file he had just downloaded: Kako Da Zavedemo Devojke
. He was 21, shy, and tired of being the "invisible friend" at every party. The book, written under the edgy pseudonym "Rap Freankiliax," promised to turn any wallflower into a master of attraction. Marko sat in his dimly lit room in