The commitment to innovation in the business world can also serve to better projects that have a social objective. This is the ethos of the Connecting For Good Galicia program, sponsored by Vodafone and the Xunta, which celebrates its second edition by supporting entrepreneurs who go beyond the business benefit. Six companies, with very different features, have been chosen to take part in the project. 3 DAcoustic is one of them and is dedicated to the manufacturing of personalized hearing instruments making the best of 3-D printing