This document discusses the promise of open data for business, government, consumers, and technology. It defines open data as publicly available data that can be used and shared by anyone. The document outlines 9 trends in open data, including how open data is driving business growth in sectors like health, education, and energy. It also discusses how open data helps consumers make smarter choices, improves government transparency, and fuels innovation. Overall, the document argues that open data has the potential to generate trillions in economic value globally and transform many industries by making more data available in accessible formats.