technology really when it came in our life then our life style completely changed. actually our friends or relatives staying other country's few years back we had no telephone so we don't no they how can leading they life. but now mobiles phones came where ever we want to talk to them we are speaking and traveling also we faced more problems so now we get to time saved because now we are introduced aeroplanes, trains, buses, cars and other vehicles system. completely technology changed our daily life. without technology we can't lead our life. almost all the people depends on the technology and leading their life. so some some times it may causes health damages.