Much of that "magic" happens in the social network's own massive data centers. Since 2011, Facebook has built four centers in Oregon, Iowa, North Carolina, and Sweden with innovative ...

The facility, called the Utah Data Center, is located on Camp Williams, a training facility for the Utah National Guard, is already operational. And boy does it seem like an impressive operation.

Looking at these images, it's hard to disagree ... The following tour is a glimpse inside a few of Google's data centers, which it calls the "physical internet." ...