When seeking an irresistible force that can shift the immovable object of IT inertia, two can-dictates come to mind-and only one of them is an Arkansas-based retail chain. "The Wal-Mart Effect" may get the headlines in trendy business magazines, but bigger still is the U.S. Department of Defense-with 3 million uniformed and civilian employees compared with Wal-Mart's 1.5 million, and a fiscal 2005 budget of just over $400 billion compared with Wal-Marfs annual sales of somewhat more than $250 billion.
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