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IBM's Watson Computer business has set a target of $1 billion in sales by 2018 and $10 billion by 2024. Current sales are in the $100 million range. Manoj Saxena is the head of the Watson business unit. The Watson ranks medical treatments by "confidence scores" and incorporates learning from errors. The way Watson works is for IBM engineers to study the technical details of a customers business and store this information for the computer to use. Uses so far are insurer WellPoint using it for determining if doctor's treatments meet company guidelines and a patient's insurance policy. M.D. Anderson Cancer Center is developing a version that recommends leukemia treatments for patients by data mining medical literature. Watson was moved to commercial phase in 2011 after beating 2 Jeopardy champions. IBM has a $15 million deal, its largest so far, with M.D. Anderson. It has taken frequent interaction between developers and IBM engineers to develop a version that recommends cancer treatments. The versions are only as good as how well knowledge in the field is translated into usable software, a long and difficult process. Applications in health care are seen as the best prospects for revenue generation. Google with its data mining capabilities is seen as the closest competitor....