Video action consisting in the edition of filmed material related to the following action. A well-known artist, writer or philosopher is invited to give a brief lecture about a topic or concept related to the matter that he or she is specialized. The public will consist of a group of people of different ages and an average education (a six year old child, a teenager, middle age a man or woman and an elderly man or woman). Once the lecture is finished, the selected group is asked to make a brief summary, about two minutes long, of those aspects that they remember. Video will include the specialist’s dissertation as well as the summaries made by the listeners.