In 2007, Spanish telecoms companies began to offer bundled services. Operators started by offering phone plus broadband and phone plus broadband plus pay television bundles, and in doing so, were able to reduce aggregated prices for consumers. In addition to monetary incentives, this study...

Search faces (at least) two major challenges. One is to improve the efficiency of retrieving relevant content for all digital formats (images, audio, video, 3D shapes, etc). The second is to make relevant information retrievable in a range of platforms, particularly in high diffusion ones for...