The movie "Contagion" follows the rapid progress of a lethal airborne virus that kills within days. As the fast-moving epidemic grows, the worldwide medical community races to find a cure and control the panic that spreads faster than the virus itself. At the same time, ordinary people struggle to survive in a society coming apart. It follows the topic of biotech because it has a virus that can kill within days. I think that this can deffinentily happen to any city, any virus can randomly start, but i dont know about spreading this fast. The purpose of the video is to show people what the world could end up being. To prove this purpose they show use how bad the virus is and how fast it is killing the people that it is affecting.The overall effect of the video is that they showed us the future. Our image of the future reveals that there is much more technology in the future than there is here in the present.