Google I/O Extended is an annual event organized by Google that serves as an extension of their main Google I/O conference. While Google I/O is the flagship developer conference held at the Googleplex in Mountain View, California, Google I/O Extended events are local gatherings that take place in various cities around the world. These events are designed to provide developers, enthusiasts, and technology communities with an opportunity to experience the excitement of Google I/O remotely and engage in discussions related to Google's latest technologies, products, and announcements.