Already shaking up TV with the likes of House of Cards, the on-demand pioneer is to unveil its move into film productionLike a heavenly body twinkling down from another time and galaxy, the Venice film festival still beams out the glamour of the old world. From its first incarnation in 1932, when the likes of Greta Garbo, Clark Gable, James Cagney, Ronald Colman and Joan Crawford, not to mention Boris Karloff, sipped drinks on the terrace of the Excelsior in the Lido, the festival has offered the perfect gilded backdrop for the shiny hoopla of film promotion.This summer, however, the future is coming to the lagoon city and to the longest-established of all film festivals.