There are many ways that sonification has already proven useful. The future will bring more use of sonifications in medicine, assistive technologies, computer interfaces, information communication, engineering analyzes, and cockpits. More widespread acceptance will lead to courses in sonification in the general education curriculum. Beyond more use in the same areas, it is likely that sonifications will replace some types of visual displays altogether. People will use a sonification instead of a map to drive around a strange city. Sonifications will be used in court rooms to present forensic evidence to a jury, in television news reports about the environment, and in boardrooms where decision makers analyze social and economic trends. People will listen to their own internal health, and the health of others around them. The common use of sonifications will lead to a more multimodal way of thinking that will have far-reaching effects on society as a whole. Sonification is a key technology for a multimedia society, extending sound from its accompaniment role to that of information conveyance.