http://crazyfacts.com/tag/mcdonalds/
http://www.huffingtonpost.com/2013/04/10/mcdonalds-criticism_n_3047239.html
http://finance.yahoo.com/news/pf_article_113424.html
http://www.therichest.com/rich-list/most-shocking/10-shocking-facts-about-mcdonalds/10/
http://www.omgfacts.com/lists/22/7-Interesting-Facts-You-Didn-t-Know-About-McDonald-s/2