Filmmakers Daniel Myrick and Eduardo Sanchez tried to convince Sundance crowds that their $35,000 spookfest was culled from real footage. Artisan plunked down what seemed like an astronomical $1 million for what looked like a glorified home movie. But thanks to trailblazing Internet marketing shenanigans, Blair Witch obliterated indie-film box office records while provoking the ire and envy of Miramax honcho Harvey Weinstein. Christine Spines
Look back at some of the films that got a boost in Park City, then shook up audiences and the industry, from ''Stranger Than Paradise'' to ''Precious'' and ''Beasts of the Southern Wild''