Technology has changed our lives totally.Due to advancement in technology many complex things have become simpler.Also world has become a global village.Communication has become much more simpler.Many things seem to be impossible without it such as electricity, internet, etc.But there is also a darker side this technological advancement.Warfare technology has developed to an extend that it is now able to wipe entire human race.Also radiations from different devices have led to extinction of many species.Pollution is also a negative impact of technology.We live a comfortable life due to it on the other hand suffer from deadly diseases due it.Now I leave on you to decide whether a boon or bane.