In the 1980s, venture capitalists relied heavily on intuition – and got away with it. The market permitted only a finite variety of tech businesses. VC’s could act on instinct because they were well informed oN the possibilities. It didn’t take a rocket scientist to figure out that every PC needed a disk drive, operating system, and a handful of chips. Today, the technology market is much more open-ended and the nature of product development has evolved. Eric Reis introduced the lean method, urging founders to make something based on customer demand, then iterate repeatedly until it achieves product-market fit.…

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