Shyamalan could hire a screenwriter. Some of the dialogues are off, the way the sequence of scenes is laid out feels awkward, and character development is... well... rushed. The result is that it's never far off looking like a dud. I also feel like there is too much fatality in the concept: we're invited to watch how the whole thing unrolls, without thinking there is anything characters can do about it. So, what's the point? I liked the creepy scenes, because that's what Shyamalan is very good at.