A horror-movie, with at its core the (over)abundant use of social media, has an attractive 2020's touch to it. The social-critical edge is in this movie reasonably well done, seeing main character being absorbed by his cell phone, to the extent of neglecting his friends and even his lover, and seeing his social media company thriving on inventing new trending topics - however extreme or cringing - to expand their bulk of followers.
But as an intended horror movie it fails. The premise is just too farfetched, and the execution too chaotic to make it really involving. Apart from a few creepy images, that flash by in an instant, there's hardly anything scary going on, and it's hard to get a grip on the supposed narrative. It's some sort of Candyman or Bye Bye Man "saying something three times" thing: in this case asking the supernatural internet troll a question three times, that does the trick of summoning a horrific fate unto yourself. But why this troll haunts the internet, or why Adam is chosen as a target, never becomes clear. The acting was just average. And it didn't really help that the Adam-character was rather sulky and unsympathetic, and not very pleasant to look at.