A mental model is simply a representation of how something works. We cannot keep all of the details of the world in our brains, so we use models to simplify the complex into understandable and organizable chunks.
"Calm's success is rooted in leveraging data to discover primary use cases, implementing an annual subscription model, and focusing on content at the core of their strategy."
“Unity is often confused with sameness. We may think that if everyone thought and acted the same, we would have perfect harmony. But unity is a process, whereas sameness is just a state of being. The same musical notes played again and again would be monotonous or irritating, but many different notes, each played differently, create a beautiful... See more