The iPad's intuitive interface makes it appealing to senior citizens  around the world, says Takahiro Miura, a researcher at the University of  Tokyo: "The iPad is a good tool for the elderly because it's very  forgiving of mistakes." Miura's team uses computers to help train senior  citizens to rejoin the workforce. "Unlike the PC, it doesn't require  prior knowledge," he says. 
The iPad Leads Apple to the Elderly - BusinessWeek