Problem: As an extra service to the artists, a digital content distributor wants to know when a track achieves some award. These awards, the Golden Disc, the Platinum or Diamond
Problem: A digital content distributor was checking the effectiveness of its pitching looking into several popular digital stores playlists and reporting on the placement of the new music released in
Problem: The city of Buenos Aires decides to improve the health city services. The initial situation was that each city hospital or medical facility has its own appointment system, in