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Microsoft's thirst for new markets is requiring massive hardware to back up its dreams, especially the ones dealing with clouds. It's adding 10,000 servers a month. At its new Chicago data center, it's using an interesting method for growth. Using server farms self-contained in shipping containers, it stacks and racks them like Legos, swapping out the entire container when the servers fail. Microsoft will open similar data centers in Chicago, San Antonio, and Dublin, Ireland. []