fbi agent suspected in hillary's leak, problem is, there's no such thing as the denver gua guardian. while medias are brands built on accuracy, others report misinformation, and it's spread buzzfeed was one of the first to recognize this problem and has been tracking fake news on the internet for years. buzzfeed uncovered a breeding ground for some of the fake news sites. >> more than a hundred websites in one small town in central macedonia. >> reporter: that's right. macedonia. in particular, veles, an economically depressed city of 45,000, the rust belt of the former republic, and we went to macedonia to see for speak out in the shadows for the first time on television. >> i had 7 million views on one article. >> they find a way to spread. >> i had to find work in the past few months. salary. >> reporter: mark zuckerberg dismissed the notion that the social network had an impact. >> the idea that fake news influenced the election in any way, i think, is pretty crazy idea. >> reporter: a recent poll found that 62% of american adults get news on social media with facebook leading th