 Every day vast amounts of open data are being used to change the way we live our lives. This data has the power to improve education, enable us to be healthier, to be more productive, the power to build better cities and a better world. From San Francisco Bay to the beaches of Barcelona, the CityMapper app uses open transport data to make people's daily travel easier, ease in congestion and improving mobility. And it means that Maria can get home quickly from work and still have time to meet her friends. In Singapore, Andy can track cases of dengue fever throughout the city and with the help of the community take steps to contain the disease. This helps keep his family safe and also enables a more efficient health service, meaning doctors and nurses have more time to treat emergencies. By using open data, the government Bikina Faso can compare and evaluate local schools looking at performance and amenities. This helps the government devote resources to the schools that need them most. In Nepal, earthquakes are a dangerous fact of life. By using open data, the structural integrity of the schools and health centres are being recorded. So city planners like Bishal can save lives by repairing high-risk buildings before future disasters strike. In Qingdao, the new WoW portal allows collaboration between citizens and government departments. So Kang can not only find any city information instantly, he can help city planners create better services and a better quality of life for all. Open data is data that is made available by organisations, businesses and individuals for anyone to access, use and share. It has the power to transform and create a better future for everyone.