Silence is golden, reads your local theater’s pre-film PSA: please turn off your mobile device. It’s a courtesy to other moviegoers, of course, but a deal between Twitter and theater advertising firm National CineMedia could tweak this gold standard. According to Variety, the pair are working on a one-minute weekly pre-roll show that culls movie-focused content from Twitter and Vine, featuring a stream of hashtagged tweets from viewers.