Unless you happen to work in a data center, you probably don't think about them much, if at all. After all, many of these huge data storage facilities are tucked away in remote areas. Even so, you connect with a data center every time you send an email, upload a photo or update your Facebook status. In other words, data centers are a crucial part of Internet infrastructure, so maybe we shouldn't be surprised that many of them are bigger than a typical shopping mall. This infographic by WhoIsHostingThis.com lists the world's biggest data centers, their square footage and their impact.

Infographic courtesy of WhoIsHostingThis?