When someone refers to a information online as being stored “in the cloud,” they’re referring to any of many data centers in the world. These data centers store and process huge amounts of data in their many rows of servers, serving the businesses, agencies and corporations that own them. There are also some third-party data centers which rent out their processing power to the companies that don’t have data centers of their own. Because data centers have a very high power density, power management and cooling are truly vital to their maintenance, and there’s a big business just in systems to help with the cooling and power management of data centers. If you’re interested in learning more about how data centers work, here’s a great article on the topic that we really think you’ll like: https://whartdesign.com/data-centers-are-the-key-to-the-cloud/