Such diversity in its product line is a policy of what has generally come to be called "intrapreneurship." the basic idea is to allow employees of large corporations to behave within the company as they would as individual entrepreneurs in the outside world. a model intrapreneur is art fry, a chemical engineer who in 1974 was working in product development at 3m during the week and singing in his church choir on sundays. —the evolution of useful things, henry petroski read the passage and use the information in the passage and the rest of the reading to explain why the company was able to produce so many new products.