Right now, the most viral Walmart products everyone is buying are spreading through short-form video faster than any ad campaign could engineer. A shopper films herself using a $5 mascara in her car, posts a 30-second clip, and before that video finishes loading on someone else's phone, the mascara is already in a cart. Short-form video drives this kind of instant product discovery across beauty, home, and lifestyle categories daily, creating a distributed discovery loop that