Do Not Open
This sequence of horror tropes—I can't really call it a movie—is odd in that it definitely is directed well. Individual scenes, if you saw them in isolation, seem creepy. But next to each other in a mishmash, it's just absurd. This is one of the worst-written movies I've ever seen.
The daughter of a young family of parents and kids who appear to be nearly the same age (named in the IMDB credits as "father", "mother", "daughter", and "son") gets an invite on her phone to a music festival that her same-age parents have forbidden her to go to. This invite carries some sort of inexplicable power to infect all the family's electronics, causing them to see an hear things that require a greater suspension of disbelief that I'm capable of: they see videos of each other on their phones doing things they never did, overhear each other having…