Abstract: The present invention concerns a memory medium storing a set of sub-movies and one or more graphic interfaces, readable by a video player having a display on which it is apt to play at least one sequence of two or more sub-movies conditional on one or more selections made by at least one user through at least one control device apt to interact with the video player, characterised in that at least one of said one or more selections is made at the end of playing a first sub-movie for selecting a second sub-movie from a sub-set of sub-movies corresponding to the first sub-movie, at the end of playing the first sub-movie being displayed on the display at least one interface, corresponding to the first sub-movie, of said one or more graphic interfaces. The present invention further concerns the apparatuses and the instruments cooperating with the medium.

Abstract: The present invention concerns a system of delivering interactive seminars that allows, in particular, the projection of interactive movies, enjoyed by groups of people attending the seminars with the possible supervision of a tutor, apt to modify their own story depending on decisions and behaviours of the audience, the system stimulating the attention of the participants through the stimulus of all the sensory channels controlling the learning process, ensuring a strong involvement of the participants with the maximum reproducibility of the instructive results, the system being extremely efficient, reliable, and simple to use. The present invention further concerns the related method of delivering interactive seminars, and the instruments and the apparatuses of the system.