What’s the biggest obstacle to getting an audience for your indie movie? Okay, getting it into theatres, of course. But how to promote it to potential fans? There’s “a growing grass-roots movement to promote independent movies and niche projects, particularly those about ethnic groups largely overlooked by mainstream productions” through e-mail. “Community activists for years have used the Internet to promote niche projects, and that strategy is helping boost a trend toward underground marketing tactics to promote films. That is particularly attractive to independent filmmakers with limited budgets.”