Hey Reader, Did you know that Amazon once launched a literal semi-truck data center it called "Snowmobile." To use it, AWS would literally park the truck outside a company's building, hook up massive, high-speed fiber cables directly into the building's server room, and suck out all the data at blazing speeds before driving the truck back to an AWS data center to connect it to the cloud. In today's issue: ROCE, ROIC, ROE, and ROA: What each return metric tells you and why Datacenters and the...