This document discusses endangered languages and language revitalization efforts using technology. It provides an overview of various technologies being used to teach, document, and promote endangered languages around the world. Examples are given of smartphone apps, online dictionaries and lessons, digital storytelling software, and virtual worlds being used for languages in Europe, North America, Africa, Central/South America, Asia, the Arctic, the Middle East, the Pacific, and more. The document emphasizes that technology can help level the playing field and teach endangered languages to promote social justice and address colonial legacies.