It’s rare for a movie to get technology right. And it’s even rarer for that movie to be a thriller or horror, where realism takes a backseat to scares and tension. But Red Rooms mostly gets it. Nothing takes me out of a film quicker than a tech MacGuffin that might as well be literal magic. Yes, the phrase “ dark web ” will always sound a bit silly, but at no point during its 118 minutes does the tech become a distraction. It’s not the tech that makes Red Rooms great, though. It’s just