Consider the time and effort involved in the ‘old world’ of business intelligence data preparation! How on earth did we ever get anything done? Armies of data analysts and IT staff slaving over data, compiling, analyzing, graphing, charting, taking requests from managers and users and engaging in an endless exchange and interaction to assure that the requirements are understood and met. By the time the data analysis was delivered, it was old, sometimes incomplete and perhaps delivered in a form that might be misinterpreted by its audience.
