How data can create a positive impact in society? Which things should be avoided? Let’s analyze with some key examples the positive and negative effects of the use of data. Each contribution of technology needs to be validated as far as the consequences it might produce. Data has a huge potential to change things, not only in numeric terms but to create a higher social welfare, in this should be the main focus both for public and private organizations. Let’s see data as the engine to improve quality of life and a wealth generator.