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Lanz and Hubeny were able to include more elements because of advances in numerical techniques and computing power , and the team believes their model therefore provides a more accurate fit . Businesses have formed over the last few years to get in on the ground floor of the wellness trend , and they're looking for physicians and hospitals to spread their model . To create their model , Ideker and his colleagues feed massive amounts of data , including information gleaned through their own discovery efforts and that which is available in public databases , into a computer . The authors explained each stage of their model and concluded that previous models did not adequately explain how niche products were adopted by the consumer market . Their model does not include any notion of a visitor 's content interest , and cannot be used to determine how relevant novel pages or links are to the visitor .