Unison is a new programming paradigm for building distributed systems. Unison lets you treat any pool of distributed resources like a single supercomputer, and provides a language in which to program this supercomputer simply and directly. The Unison runtime is written in Scala and runs on the Java Virtual Machine. This talk will introduce the Unison language, its type system, runtime, and developer experience, as well as the core ideas that make it uniquely well suited to programming distributed systems.