'But Dietrich is more concerned that companies will fail to analyze the petabytes of data they do collect. When she met with the pharmaceutical company about its portfolio management strategy, for instance, the executives explained how they allocated spending according to their estimates of how likely each project was to succeed. “I asked them if they ever checked to see how well the estimates matched their results,” she says. “They never had.”'

http://www.technologyreview.in/computing/24967/page3/