Go is a statically-typed programming language designed for building simple, efficient, and reliable software. It was created at Google in 2009 by Robert Griesemer, Rob Pike, and Ken Thompson, and is now an open-source project maintained by the Go team at Google and a worldwide community of contributors.

Go is known for its fast compilation times, garbage collection, and built-in concurrency support. Its syntax is concise and easy to read, with a focus on simplicity and readability. Go is often used for building network services, system tools, and command-line utilities.

One of the key features of Go is its built-in concurrency support, which allows developers to write efficient, concurrent code without having to worry about the low-level details of threading and synchronization. This makes it easy to build highly scalable network services and other applications that need to handle a large number of concurrent requests.