Everyone has their own opinion on how the world will end. “Doomsday Preppers” used Twitter to see what disasters will shake up society and end human civilization. Through the Doomsday Dashboard, here are the results they found: 1. 29% – Flu Pandemic 2. 18% – Cataclysm (2012) 3. 13% – Economic Collapse 4. 11% – …