The Drinkable Book, created by Water Is Life, claims to be able to provide affordable water filters able to kill up to 99.9% of bacteria in water. Each page is made up of technologically advanced paper coated with silver nitrate. The silver nitrate can kill various bacterias that cause diseases such as cholera, e. coli, and typhoid. In addition to the life saving nano silver particles, each page has water safe tips printed on each page to educate the user. Up to 3.4 milion people die each year from drinking contaiminated water. Each page can filter up to 30 days of clean drinking water and every book can filter up to 4 years of clean drinking water. The paper was developed by researchers at the University of Virginia and Carnegie Mellon in Pittsburgh.