Like many middle-aged people these days, Edie Stern, who lives in New York, often finds herself worrying about an ageing parent. Her father, Aaron, is 87 years old and lives on his own in Florida, hundreds of miles away. "He's a very independent soul," she says. Many people in Ms Stern's position feel torn: they want their parents to continue to live in their own homes and pursue their own lives, but are concerned about their parents' growing frailties. Unlike others, however, Ms Stern can at least feel she is doing something to help resolve this dilemma. As a researcher at IBM, a big computer firm, she is one of many people developing new technologies intended to make it easier, less stressful and even healthier for older folks to continue living at home.
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