Constance L. Hays takes a look at Wal-Marts massive customer/product database. URRICANE FRANCES was on its way, barreling across the Caribbean, threatening a direct hit on Florida’s Atlantic coast. Residents made for higher ground, but far away, in Bentonville, Ark., executives at Wal-Mart Stores decided that the situation offered a great opportunity for one of … Continue reading Data Mining & Wal-Mart