The meticulously crafted 160-page business plan for Webvan was a masterpiece of data, forecasting, and logistics. It detailed a revolutionary model for online grocery delivery, backed by $800 million in venture capita and a state-of-the-art infrastructure. The " map" was perfect, projecting a seamless path to dominating a multi-billion dollar industry. Yet, within three years of its 1998 launch, the company was bankrupt. The plan, for all its precision, had failed to accoun