prostoalex writes "Information Week magazine takes a look at Wal-Mart's IT infrastructure. Wal-Mart's yearly global sales are quoted at more than 250 billion dollars, their IT spending is less than 1% of that. At the same time, the company manages to pursue new venues in optimizing retail with the wonders of technology. And what about outsourcing IT for the sake of optimization? 'We'd be nuts to outsource,' a top IT executive at Wal-Mart replies."