Governments around the world are trying to realize the benefits of technology to make a real difference in people's lives. The use of data provided by open government data platforms has a great potential to enable new services, improve the lives of citizens and make government and society work better. This research proposes a conceptual model to explain how open government data platforms are used to enhance the access to and delivery of government information and services in order to make a real difference in people's lives. This study explores and illustrates the model by taking the perspective that Open Government Data (OGD), as a platform, influences the way city agencies are delivering information and services to increase feedback for stakeholders, including citizens, government agencies and employees. To analyze the impact on citizen's lives, government agencies and employees we used the public value perspective that can helps to determine the value of government activities from multiple stakeholders' perspectives. Specifically, this working paper presents preliminary results of our analyzes from the NYC Open Data portal. We aimed to understand how citizens, employees and other agencies are using OGD to improve their activities, the impact of that and unintended consequences.