Wow, quoting from Virtualization to aid Intel in saving up to $1.8B through data center consolidation:

• Intel Corp. is reporting today that it is consolidating its 130 data centers worldwide to just 8 global hubs
• 90,000 employees, 137 terabytes of WAN traffic, 93,000 servers in house and supporting those is very, very challenging
• Intel will save between $1.4 and $1.8 billion over 7 years by replacing older technology with new multi-core Xeon processors, along with using techniques such as virtualization

The article points to more details in this video.