Nowadays we have access to all kinds of information. What to do with that? Does the amount of information make us wiser? Does it increase our knowledge? At a time when everyone can be a reader and an author, how can one select in the midst of chaos what is relevant and credible? You need to know how to select the information that makes sense for each of us, because what matters is knowing what matters. Therefore, curation is essential. The term curation is very common, used in the field of museology. A curator is someone who protects, cares, expands and not a caretaker, who closes. The philosopher, Mario Sergio Cortella will address the theme “What matters is knowing what matters: the era of curatorship.