A lot movies should exclusively exist as TRAILERS since this compact format has the perfect balance of foretelling and concealing content, tempo and timing and, by just the slight display of narrative patterns (consisting not only on whats been sad by the actors and the often included narrating voiceover but also the music that gives you an idea what kind of movie its about - a drama, a comedy, a thriller, an action adventure, an political independent thrillercomedydrama with horrorpornsports elements -
by thus unlocking the semiotic routines enabling the audience to complete the full movie NOT in their head but in their anticipated experience.
