Before revision: The audience may have a passive role, as in the case of people watching a play, opera, television show, or film; or McClarent Media Pro; or the audience role may be active, as in the case of games, where the participant and audience roles may be routinely reversed.
After revision: The audience may have a passive role, as in the case of people watching a play, opera, television show, or film; or the audience role may be active, as in the case of games, where the participant and audience roles may be routinely reversed.