Found footage has been part of horror for decades, but even if there are examples of earlier films with a lasting legacy, such as 1980's Cannibal Holocaust, it feels like the genre is still living through the wave set off by The Blair Witch Project. The movie's style, subject matter, and even the way it was marketed to become an urban legend in itself, seem to have presaged the way found footage horror would take hold in the social media age. Now, a new entry in this lengthy canon, produced by some of Blair Witch's original creatives, roots this methodology...